var ids = ltable.Rows.Cast().Select(row =>
{
var a = row.FindControl("CheckBox1") as CheckBox;
if (a.Checked)
{
return ltable.DataKeys[row.RowIndex].Value.ToString();
}
return null;
}).Where(p => p != null);
if (ids.Any())
{
bool rt;
using (var ss = new GTDataSourse())
{
ss.BeginTransaction();
try
{
rt = bll.DeleteList(string.Join(",", ids));
}
catch (Exception ex)
{
ss.RollbackTrans();
rt = false;
WebUtil.HandleError(ex.Message);
}
}
if (rt)
{
search(null, null);
WebUtil.RegisterScriptAfterHtmlDom(this, "alert('删除成功!');");
}
}
else
{
WebUtil.RegisterScriptAfterHtmlDom(this, "alert('请选择删除记录!');");
}
还有.Where(p => p != null是什么东西啊