求大神指点为什么重写之后,再页面引用这个重写的GridView进行调用,
后台却无法使用id.DataSource属性
asp.net重写GridView后无法获取到对应的id属性
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- zhengqi12345 2017-05-23 02:41关注
重写的gridview代码
/*----------------------------------------------------------------
-----------------------------------------------------------------*/
using System;
using System.Text;
using System.Web.UI.WebControls;
using System.ComponentModel;
using System.Drawing;
using System.Web.UI.Design;
using System.Drawing.Design;
using System.Web.UI;
using System.Web.UI.HtmlControls;namespace Fujifilm.ColorOrganizer.UI.Common.GridViewExtensions
{
///
/// GridViewExtension
///
[ToolboxData("<{0}:GridViewExtensions runat=\"server\"></{0}:GridViewExtensions>")]
[Description("GridViewExtensions")]
public class GridViewExtensions : GridView, INamingContainer, IPostBackDataHandler, IPostBackEventHandler
{
///
///
///
public enum BUTTON_TYPE
{
Text = 0,
Image = 1
}/// <summary> /// ventTextChanged /// </summary> private static readonly object EventTextChanged = new object(); /// <summary> /// �y�[�W /// </summary> public event EventHandler ChangePageIndex; #region PageNowWidth [DefaultValue(typeof(Unit), "")] [Category("")] [Description("")] public Unit PageNowWidth { get { object o = ViewState["PageNowWidth"]; if (o != null) { return (Unit)o; } return Unit.Empty; } set { ViewState["PageNowWidth"] = value; } } [DefaultValue(typeof(Unit), "")] [Category("")] [Description("")] public Unit PageRowWidth { get { object o = ViewState["PageRowWidth"]; if (o != null) { return (Unit)o; } return Unit.Empty; } set { ViewState["PageRowWidth"] = value; } } [DefaultValue(typeof(FontUnit), "")] [Category("")] [Description("")] public FontUnit PageFontSize { get { object o = ViewState["PageFontSize"]; if (o != null) { return (FontUnit)o; } return FontUnit.Empty; } set { ViewState["PageFontSize"] = value; } } [DefaultValue(typeof(Color), "")] [Category("")] [TypeConverter(typeof(WebColorConverter))] [Description("")] public Color PageFontColor { get { object o = ViewState["PageFontColor"]; if (o != null) { return (Color)o; } return Color.Empty; } set { ViewState["PageFontColor"] = value; } } [DefaultValue(typeof(Color), "")] [Category("")] [TypeConverter(typeof(WebColorConverter))] [Description("")] public Color PageBackColor { get { object o = ViewState["PageBackColor"]; if (o != null) { return (Color)o; } return Color.Empty; } set { ViewState["PageBackColor"] = value; } } [Category("")] [DefaultValue(typeof(Color), "")] [TypeConverter(typeof(WebColorConverter))] [Description("")] public Color PageBorderColor { get { object o = ViewState["PageBorderColor"]; if (o != null) { return (Color)o; } return Color.Empty; } set { ViewState["PageBorderColor"] = value; } } [DefaultValue(typeof(Unit), "")] [Category("")] [Description("")] public Unit PageBorderWidth { get { object o = ViewState["PageBorderWidth"]; if (o != null) { return (Unit)o; } return Unit.Empty; } set { ViewState["PageBorderWidth"] = value; } } #endregion #region ��ҳ����ť��ʽ [DefaultValue(GridViewExtensions.BUTTON_TYPE.Text)] [Category("")] [Description("")] public BUTTON_TYPE PageButtonType { get { object o = ViewState["PageButtonType"]; if (o != null) { return (BUTTON_TYPE)o; } return BUTTON_TYPE.Text; } set { ViewState["PageButtonType"] = value; } } [DefaultValue("")] [Category("")] [Editor(typeof(ImageUrlEditor), typeof(UITypeEditor))] [Description("")] public string PageFirstImage { get { object o = ViewState["PageFirstImage"]; if (o != null) { return (string)o; } return string.Empty; } set { ViewState["PageFirstImage"] = value; } } [DefaultValue("")] [Category("")] [Editor(typeof(ImageUrlEditor), typeof(UITypeEditor))] [Description("")] public string PageBackImage { get { object o = ViewState["PageBackImage"]; if (o != null) { return (string)o; } return string.Empty; } set { ViewState["PageBackImage"] = value; } } [DefaultValue("")] [Category("")] [Editor(typeof(ImageUrlEditor), typeof(UITypeEditor))] [Description("")] public string PageNextImage { get { object o = ViewState["PageNextImage"]; if (o != null) { return (string)o; } return string.Empty; } set { ViewState["PageNextImage"] = value; } } [DefaultValue("")] [Category("")] [Editor(typeof(ImageUrlEditor), typeof(UITypeEditor))] [Description("")] public string PageLastImage { get { object o = ViewState["PageLastImage"]; if (o != null) { return (string)o; } return string.Empty; } set { ViewState["PageLastImage"] = value; } } [DefaultValue("")] [Category("")] [Description("")] public string PagerableCssClass { get { object o = ViewState["PagerableCssClass"]; if (o != null) { return (string)o; } return string.Empty; } set { ViewState["PagerableCssClass"] = value; } } [DefaultValue("")] [Category("")] [Description("")] public string PageNowFormat { get { object o = ViewState["PageNowFormat"]; if (o != null) { return (string)o; } return ""; } set { ViewState["PageNowFormat"] = value; } } [DefaultValue("")] [Category("")] [Description("")] public string PageRowFormat { get { object o = ViewState["PageRowFormat"]; if (o != null) { return (string)o; } return ""; } set { ViewState["PageRowFormat"] = value; } } [DefaultValue("")] [Category("")] [Description("")] public string PageFirstFormat { get { object o = ViewState["PageFirstFormat"]; if (o != null) { return (string)o; } return "��ҳ"; } set { ViewState["PageFirstFormat"] = value; } } [DefaultValue("")] [Category("")] [Description("")] public string PageBackFormat { get { object o = ViewState["PageBackFormat"]; if (o != null) { return (string)o; } return "��һҳ"; } set { ViewState["PageBackFormat"] = value; } } [DefaultValue("")] [Category("")] [Description("")] public string PageNextFormat { get { object o = ViewState["PageNextFormat"]; if (o != null) { return (string)o; } return ""; } set { ViewState["PageNextFormat"] = value; } } [DefaultValue("")] [Category("")] [Description("")] public string PageLastFormat { get { object o = ViewState["PageLastFormat"]; if (o != null) { return (string)o; } return ""; } set { ViewState["PageLastFormat"] = value; } } #endregion #region ��ת����ʽ [DefaultValue(typeof(Unit), "")] [Category("")] [Description("")] public Unit PageJumpWidth { get { object o = ViewState["PageJumpWidth"]; if (o != null) { return (Unit)o; } return Unit.Empty; } set { ViewState["PageJumpWidth"] = value; } } [DefaultValue(GridViewExtensions.BUTTON_TYPE.Text)] [Category("")] [Description("")] public BUTTON_TYPE JumpButtonType { get { object o = ViewState["JumpButtonType"]; if (o != null) { return (BUTTON_TYPE)o; } return BUTTON_TYPE.Text; } set { ViewState["JumpButtonType"] = value; } } [DefaultValue("")] [Category("")] [Editor(typeof(ImageUrlEditor), typeof(UITypeEditor))] [Description("")] public string JumpButtonImage { get { object o = ViewState["JumpButtonImage"]; if (o != null) { return (string)o; } return string.Empty; } set { ViewState["JumpButtonImage"] = value; } } [DefaultValue(typeof(Color), "")] [Category("")] [TypeConverter(typeof(WebColorConverter))] [Description("")] public Color JumpButtonBorderColor { get { object o = ViewState["JumpButtonBorderColor"]; if (o != null) { return (Color)o; } return Color.Empty; } set { ViewState["JumpButtonBorderColor"] = value; } } [DefaultValue(typeof(Unit), "")] [Category("")] [Description("")] public Unit JumpButtonBorderWidth { get { object o = ViewState["JumpButtonBorderWidth"]; if (o != null) { return (Unit)o; } return Unit.Empty; } set { ViewState["JumpButtonBorderWidth"] = value; } } [DefaultValue(typeof(Unit), "")] [Category("")] [Description("")] public Unit JumpButtonHeight { get { object o = ViewState["JumpButtonHeight"]; if (o != null) { return (Unit)o; } return Unit.Pixel(25); } set { ViewState["JumpButtonHeight"] = value; } } [DefaultValue(typeof(Unit), "")] [Category("")] [Description("")] public Unit JumpButtonWidth { get { object o = ViewState["JumpButtonWidth"]; if (o != null) { return (Unit)o; } return Unit.Pixel(25); } set { ViewState["JumpButtonWidth"] = value; } } [DefaultValue(typeof(Color), "")] [Category("")] [TypeConverter(typeof(WebColorConverter))] [Description("")] public Color JumpButtonBackColor { get { object o = ViewState["JumpButtonBackColor"]; if (o != null) { return (Color)o; } return Color.Empty; } set { ViewState["JumpButtonBackColor"] = value; } } [DefaultValue(typeof(Unit), "")] [Category("")] [Description("")] public Unit JumpTextBoxHeight { get { object o = ViewState["JumpTextBoxHeight"]; if (o != null) { return (Unit)o; } return Unit.Pixel(20); } set { ViewState["JumpTextBoxHeight"] = value; } } [DefaultValue(typeof(Unit), "")] [Category("")] [Description("")] public Unit JumpTextBoxWidth { get { object o = ViewState["JumpTextBoxWidth"]; if (o != null) { return (Unit)o; } return Unit.Pixel(20); } set { ViewState["JumpTextBoxWidth"] = value; } } [DefaultValue(typeof(Unit), "")] [Category("")] [Description("")] public Unit JumpTextBoxBorderWidth { get { object o = ViewState["JumpTextBoxBorderWidth"]; if (o != null) { return (Unit)o; } return Unit.Empty; } set { ViewState["JumpTextBoxBorderWidth"] = value; } } [DefaultValue(typeof(Color), "")] [Category("")] [TypeConverter(typeof(WebColorConverter))] [Description("")] public Color JumpTextBoxBorderColor { get { object o = ViewState["JumpTextBoxBorderColor"]; if (o != null) { return (Color)o; } return Color.Empty; } set { ViewState["JumpTextBoxBorderColor"] = value; } } [DefaultValue("")] [Browsable(false)] public string Text { get { object o = ViewState["Text"]; if (o != null) { return (string)o; } return string.Empty; } set { ViewState["Text"] = value; } } #endregion #region start /// <summary> /// /// </summary> [DefaultValue(0)] [Browsable(false)] private int FirstNumericButton { get { object o = ViewState["FirstNumericButton"]; if (o != null) { return (int)o; } return 0; } set { ViewState["FirstNumericButton"] = value; } } /// <summary> /// /// </summary> [DefaultValue(false)] [Category("")] [Description("")] public bool ShowNumericButton { get { object o = ViewState["ShowNumericButton"]; if (o != null) { return (bool)o; } return false; } set { ViewState["ShowNumericButton"] = value; ; } } /// <summary> /// /// </summary> [DefaultValue(true)] [Category("")] [Description("")] public bool AllowPagerable { get { object o = ViewState["AllowPagerable"]; if (o != null) { return (bool)o; } return true; } set { ViewState["AllowPagerable"] = value; } } /// <summary> /// /// </summary> [DefaultValue(0)] [Category("")] [Description("")] public Int32 PageViewIndex { get { object o = ViewState["PageViewIndex"]; if (o != null) { return (Int32)o; } return (Int32)0; } set { ViewState["PageViewIndex"] = value; } } /// <summary> /// /// </summary> [DefaultValue(10)] [Category("")] [Description("")] public Int32 PageViewSize { get { object o = ViewState["PageViewSize"]; if (o != null) { return (Int32)o; } return (Int32)10; } set { this.PageSize = value; ViewState["PageViewSize"] = value; } } /// <summary> /// /// </summary> [DefaultValue(1)] [Browsable(false)] public Int32 PageViewCount { get { object o = ViewState["PageViewCount"]; if (o != null) { return (Int32)o; } return (Int32)1; } set { ViewState["PageViewCount"] = value; } } /// <summary> /// /// </summary> [Browsable(false)] public Int32 PageRowCount { get { object o = ViewState["PageRowCount"]; if (o != null) { return (Int32)o; } return (Int32)10; } set { ViewState["PageRowCount"] = value; } } #endregion #region �ű��ļ� /// <summary> /// /// </summary> private string BuildScript() { StringBuilder sb = new StringBuilder(); sb.AppendLine("function CheckNum(evt) {"); sb.AppendLine("if((evt.keyCode >= 96 && evt.keyCode <= 105) ||"); sb.AppendLine("(evt.keyCode >= 48 && evt.keyCode <= 57) ||"); sb.AppendLine("evt.keyCode == 8 || evt.keyCode == 37 ||"); sb.AppendLine("evt.keyCode == 38 || evt.keyCode == 39 ||"); sb.AppendLine("evt.keyCode == 40 || evt.keyCode == 13) "); sb.AppendLine("{"); sb.AppendLine("if(evt.keyCode == 13)"); sb.AppendLine("{"); sb.AppendFormat("{0};", Page.ClientScript.GetPostBackEventReference(this, "jump")); sb.AppendLine("}"); sb.AppendLine("return true;"); sb.AppendLine("}"); sb.AppendLine("else{ return false; } }"); return sb.ToString(); } /// <summary> /// /// </summary> /// <returns></returns> private string CreateJavascript() { string divid = string.Format("{0}_table_Container", this.ClientID); StringBuilder str = new StringBuilder(); //str.Append("<script type=\"text/javascript\">"); str.AppendFormat("IniCellWidth('{0}');", divid); //str.Append("</script>"); return str.ToString(); } #endregion #region RenderNumeric /// <summary> /// /// </summary> /// <returns></returns> private void RenderNumericButton(HtmlTextWriter writer) { int i = 10; // int endindex = this.FirstNumericButton + i; // int endpage = this.PageViewCount % 10; if (endpage != 0 && (this.PageViewIndex > (this.PageViewCount - endpage - 1) && this.PageViewIndex < this.PageViewCount)) { // endindex = this.PageViewCount; } for (int j = this.FirstNumericButton; j < endindex; j++) { if (j == this.PageViewIndex) { // CreateNumericButton(writer, j, false); } else { CreateNumericButton(writer, j, true); } } } /// <summary> /// /// </summary> /// <param name="writer"></param> /// <param name="text"></param> private void CreateNumericButton(HtmlTextWriter writer, int text, bool show) { writer.Write(" "); string strtext = string.Format("{0}", text + 1); if (show == true) { // writer.AddStyleAttribute(HtmlTextWriterStyle.TextDecoration, "none"); writer.AddAttribute(HtmlTextWriterAttribute.Href, Page.ClientScript.GetPostBackClientHyperlink(this, "pager$" + text.ToString())); writer.RenderBeginTag(HtmlTextWriterTag.A); writer.Write(strtext); writer.RenderEndTag(); } else { // writer.Write(strtext); } writer.Write(" "); } /// <summary> /// /// </summary> /// <returns></returns> private string RenderPageNow() { string templateCell = string.Format(PageNowFormat, PageViewIndex + 1, PageViewCount); return templateCell; } /// <summary> /// /// </summary> /// <returns></returns> private string RenderPageRow() { string templateCell = string.Format(PageRowFormat, PageViewSize, PageRowCount); return templateCell; } /// <summary> /// /// </summary> /// <returns></returns> private string RenderFirst() { string templateCell = string.Empty; if (PageButtonType == BUTTON_TYPE.Text) { if (PageViewIndex <= 0) { templateCell = PageFirstFormat; } else { templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\">{1}</a>", Page.ClientScript.GetPostBackClientHyperlink(this, "pager$0"), PageFirstFormat); } } else { if (PageViewIndex <= 0) { templateCell = string.Format("<img border=\"0\" src=\"{0}\" />", ConverImageUrl(PageFirstImage)); } else { templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\"><img border=\"0\" src=\"{1}\" /></a>", Page.ClientScript.GetPostBackClientHyperlink(this, "pager$0"), ConverImageUrl(PageFirstImage)); } } return templateCell; } /// <summary> /// /// </summary> /// <returns></returns> private string RenderLast() { string templateCell = string.Empty; if (PageButtonType == BUTTON_TYPE.Text) { if (PageViewIndex >= PageViewCount - 1) { templateCell = PageLastFormat; } else { templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\">{1}</a>", Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewCount - 1)), PageLastFormat); } } else { if (PageViewIndex >= PageViewCount - 1) { templateCell = string.Format("<img border=\"0\" src=\"{0}\" />", ConverImageUrl(PageLastImage)); } else { templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\"><img border=\"0\" src=\"{1}\" /></a>", Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewCount - 1)), ConverImageUrl(PageLastImage)); } } return templateCell; } /// <summary> /// /// </summary> /// <returns></returns> private string RenderBack() { string templateCell = string.Empty; if (PageButtonType == BUTTON_TYPE.Text) { if (PageViewIndex <= 0) { // templateCell = PageBackFormat; } else { templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\">{1}</a>", Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewIndex - 1)), PageBackFormat); } } else { if (PageViewIndex <= 0) { // templateCell = string.Format("<img border=\"0\" src=\"{0}\" />", ConverImageUrl(PageBackImage)); } else { templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\"><img border=\"0\" src=\"{1}\" /></a>", Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewIndex - 1)), ConverImageUrl(PageBackImage)); } } return templateCell; } /// <summary> /// /// </summary> /// <returns></returns> private string RenderNext() { string templateCell = string.Empty; if (PageButtonType == BUTTON_TYPE.Text) { if (PageViewIndex >= PageViewCount - 1) { // templateCell = PageNextFormat; } else { templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\">{1}</a>", Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewIndex + 1)), PageNextFormat); } } else { if (PageViewIndex >= PageViewCount - 1) { // templateCell = string.Format("<img border=\"0\" src=\"{0}\" />", ConverImageUrl(PageNextImage)); } else { templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\"><img border=\"0\" src=\"{1}\" /></a>", Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewIndex + 1)), ConverImageUrl(PageNextImage)); } } return templateCell; } #endregion #region ͼƬ·��ת�� private string ResolvePhysicalLocation(string path) { ISite site1 = this.GetSite(); if (site1 == null) { return path; } IWebApplication application1 = (IWebApplication)site1.GetService(typeof(IWebApplication)); IProjectItem item1 = application1.GetProjectItemFromUrl(path); if (item1 != null) { return item1.PhysicalPath; } return path.Replace("~/", application1.RootProjectItem.PhysicalPath); } private ISite GetSite() { if (base.Site != null) { return base.Site; } for (Control control1 = this.Parent; control1 != null; control1 = control1.Parent) { if (control1.Site != null) { return control1.Site; } } return null; } private void RenderImage(HtmlTextWriter writer, string imageurl) { if (this.Page != null) { string text1 = this.Page.ResolveUrl(imageurl); if (base.DesignMode) { string text2 = this.ResolvePhysicalLocation(text1); text1 = text2; } writer.AddAttribute(HtmlTextWriterAttribute.Src, text1); } writer.RenderBeginTag(HtmlTextWriterTag.Img); writer.RenderEndTag(); } private string ConverImageUrl(string url) { string text1 = this.Page.ResolveUrl(url); return this.ResolvePhysicalLocation(text1); } #endregion #region �ط����ݺ��¼� /// <summary> /// /// </summary> /// <param name="postDataKey"></param> /// <param name="postCollection"></param> /// <returns></returns> public bool LoadPostData(string postDataKey, System.Collections.Specialized.NameValueCollection postCollection) { string postedValue = postCollection[postDataKey]; string presentValue = Text; if (presentValue == null || postedValue != presentValue) { Text = postedValue; return true; } return false; } /// <summary> /// /// </summary> public void RaisePostDataChangedEvent() { OnTextChanged(EventArgs.Empty); } /// <summary> /// /// </summary> /// <param name="eventArgs"></param> private void OnTextChanged(EventArgs eventArgs) { EventHandler textChangedHandler = (EventHandler)Events[EventTextChanged]; if (textChangedHandler != null) { textChangedHandler(this, eventArgs); } } /// <summary> /// /// </summary> public event EventHandler TextChanged { add { Events.AddHandler(EventTextChanged, value); } remove { Events.RemoveHandler(EventTextChanged, value); } } /// <summary> /// /// </summary> /// <param name="eventArgument"></param> protected override void RaisePostBackEvent(string eventArgument) { base.RaisePostBackEvent(eventArgument); if (this.AllowPagerable == true) { string[] str = eventArgument.Split('$'); if (str[0] == "jump") { // Int32 pi; try { string index = (string)ViewState["Text"]; pi = Int32.Parse(index); pi -= 1; } catch { pi = PageViewIndex; } if (pi >= 0 && pi <= PageViewCount - 1) { PageViewIndex = pi; } else { PageViewIndex = PageViewCount - 1; } OnChangePageIndex(new EventArgs()); } else if (str[0] == "pager") { // PageViewIndex = Int32.Parse(str[1]); OnChangePageIndex(new EventArgs()); } if (this.ShowNumericButton == true) { if (this.PageViewIndex >= (this.FirstNumericButton + 10)) { // if (this.PageViewIndex == (this.PageViewCount - 1)) { // if ((this.PageViewCount % 10) == 0) { // this.FirstNumericButton = this.PageViewIndex - 10 + 1; } else { this.FirstNumericButton = this.PageViewIndex - (this.PageViewCount % 10) + 1; } } else { this.FirstNumericButton = this.PageViewIndex; } } else if (this.PageViewIndex < this.FirstNumericButton) { // if (this.PageViewIndex == 0) { // this.FirstNumericButton = 0; } else { this.FirstNumericButton = this.PageViewIndex - 10 + 1; } } OnChangePageIndex(new EventArgs()); } } } /// <summary> /// /// </summary> /// <param name="e"></param> private void OnChangePageIndex(EventArgs e) { ChangePageIndex(this, e); } #endregion #region �����ҳ�� public override void RenderControl(HtmlTextWriter writer) { if (BottomPagerRow != null) { BottomPagerRow.Cells.Clear(); } base.RenderControl(writer); } private string ColorFormat(Color color) { string str = color.Name; if (str.ToUpper().StartsWith("FF")) { str = "#" + str.Remove(0, 2); } return str; } #endregion #region �������� public override Unit Width { get { if (base.Width == Unit.Empty && AllowChangeCellWidth == false) { return Unit.Percentage(100); } return base.Width; } set { base.Width = value; } } [Browsable(false)] public override PagerSettings PagerSettings { get { return base.PagerSettings; } } [Browsable(false)] public override bool AllowPaging { get { return true; } set { base.AllowPaging = value; } } [Browsable(false)] public override int PageCount { get { return base.PageCount; } } [Browsable(false)] public override int PageIndex { get { return base.PageIndex; } set { base.PageIndex = value; } } [Browsable(false)] public override int PageSize { get { return base.PageSize; } set { base.PageSize = value; } } /// <summary> /// /// </summary> [DefaultValue(false)] [Description("�Ƿ������ı�ÿ�еĿ���")] public bool AllowChangeCellWidth { get { object o = ViewState["AllowChangeCellWidth"]; if (o != null) { return (bool)o; } return false; } set { ViewState["AllowChangeCellWidth"] = value; } } #endregion #region RenderBeginTag /// <summary> /// /// </summary> /// <param name="writer"></param> public override void RenderBeginTag(HtmlTextWriter writer) { string divid = string.Format("{0}_table_Container", this.ClientID); string tbodyid = string.Format("{0}_GridBody_Cells", this.ClientID); if (AllowChangeCellWidth == true) { writer.AddAttribute(HtmlTextWriterAttribute.Class, "tableContainer"); writer.AddAttribute(HtmlTextWriterAttribute.Id, divid); writer.AddAttribute("onmousedown", string.Format("TableOnMouseDown('{0}');", divid)); writer.AddAttribute("onmouseup", string.Format("TableOnMouseUp('{0}');", tbodyid)); writer.AddAttribute("onmousemove", "TableOnMouseMove();"); writer.AddStyleAttribute(HtmlTextWriterStyle.Width, "100%"); writer.RenderBeginTag(HtmlTextWriterTag.Div); } base.RenderBeginTag(writer); } /// <summary> /// /// </summary> /// <param name="writer"></param> public override void RenderEndTag(HtmlTextWriter writer) { base.RenderEndTag(writer); if (AllowChangeCellWidth == true) { writer.RenderEndTag(); } } /// <summary> /// /// </summary> /// <param name="writer"></param> protected override void Render(HtmlTextWriter writer) { if (AllowChangeCellWidth == true) { int i = 0; if (HeaderRow != null) { foreach (TableCell cell in HeaderRow.Cells) { string str = cell.Text; cell.ID = i.ToString(); cell.Text = string.Format("<div class=\"gridCell_standard\" columnIndex=\"{0}\">{1}</div>", i, str); i++; } } } base.Render(writer); } /// <summary> /// /// </summary> /// <param name="writer"></param> protected override void RenderContents(HtmlTextWriter writer) { string tbodyid = string.Format("{0}_GridBody_Cells", this.ClientID); if (AllowChangeCellWidth == true) { // string str = string.Empty; this.RenderBeginTag(writer); if (this.HeaderRow != null) { this.HeaderRow.RenderControl(writer); } writer.AddAttribute(HtmlTextWriterAttribute.Id, tbodyid); writer.RenderBeginTag(HtmlTextWriterTag.Tbody); if (Rows != null) { foreach (GridViewRow row in this.Rows) { foreach (TableCell cell in row.Cells) { if (cell.HasControls()) { cell.Controls.AddAt(0, new LiteralControl("<div class=\"gridCell_standard\">")); cell.Controls.Add(new LiteralControl("</div>")); } else { str = cell.Text; cell.Text = string.Format("<div class=\"gridCell_standard\">{0}</div>", str); } } row.RenderControl(writer); } } writer.RenderEndTag(); if (this.FooterRow != null) { this.FooterRow.RenderControl(writer); } this.RenderEndTag(writer); //writer.Write(this.CreateJavascript()); } else { //base.RenderBeginTag(writer); base.RenderContents(writer); //base.RenderEndTag(writer); } } #endregion #region Page_PreRenderComplete /// <summary> /// /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void Page_PreRenderComplete(object sender, EventArgs e) { string str = string.Format("{0}_gridviewini", this.ClientID); Page.ClientScript.RegisterClientScriptResource(this.GetType(), "~.Scripts.gridview.js"); // if (!Page.ClientScript.IsStartupScriptRegistered(str) && AllowChangeCellWidth == true) { Page.ClientScript.RegisterStartupScript(this.GetType(), str, this.CreateJavascript(), true); } // if (!Page.ClientScript.IsClientScriptBlockRegistered("CheckNum")) { string js = BuildScript(); Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "CheckNum", js, true); } } /// <summary> /// /// </summary> /// <param name="e"></param> protected override void OnPreRender(EventArgs e) { base.OnPreRender(e); this.Page.PreRenderComplete += new EventHandler(this.Page_PreRenderComplete); } /// <summary> /// /// </summary> /// <param name="path"></param> private void RegisterCssFile(string path) { HtmlLink link1 = new HtmlLink(); link1.Attributes["type"] = "text/css"; link1.Attributes["rel"] = "stylesheet"; link1.Attributes["href"] = path; this.Page.Header.Controls.Add(link1); } #endregion }
}
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