protected void gvInnerItem_RowUpdating(object sender, DevExpress.Web.Data.ASPxDataUpdatingEventArgs e) //内层ASPxGridView更新行
{
DevExpress.Web.ASPxGridView.ASPxGridView gvInnerItem = sender as DevExpress.Web.ASPxGridView.ASPxGridView;
DevExpress.Web.ASPxEditors.ASPxTextBox txtRmoney = gvInnerItem.FindRowCellTemplateControl(5, (GridViewDataColumn)gvInnerItem.Columns["ProjectDeclarerAmount"], "txtDAmount") as DevExpress.Web.ASPxEditors.ASPxTextBox; //这里调试返回为null
string strProjectAmount = txtRmoney.Text; //
}