无法获取GridView中动态添加的控件,该怎么处理
日期：2014-05-19 浏览次数：20464 次
无法获取GridView中动态添加的控件
我的目的是动态的添加一个控件，修改某行后，从该列中取出动态添加的那个控件中的值。程序如下，但实际操作中，却找不到那个控件。
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HTML代码（Default.aspx）：
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<%@ Page Language= "C# " AutoEventWireup= "true " CodeFile= "Default.aspx.cs " Inherits= "_Default " %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml " >
<head runat= "server ">
<title> </title>
</head>
<body>
<form id= "form1 " runat= "server ">
<div>
<asp:GridView ID= "GridView1 " runat= "server " AutoGenerateColumns= "False " DataKeyNames= "CategoryID "
DataSourceID= "SqlDataSource1 " OnRowDataBound= "GridView1_RowDataBound " OnRowUpdating= "GridView1_RowUpdating " AllowPaging= "True " AllowSorting= "True ">
<Columns>
<asp:BoundField DataField= "CategoryID " HeaderText= "CategoryID " SortExpression= "CategoryID " />
<asp:BoundField DataField= "Description " HeaderText= "Description " SortExpression= "Description " />
<asp:BoundField DataField= "CategoryName " HeaderText= "CategoryName " SortExpression= "CategoryName " />
<asp:TemplateField> </asp:TemplateField>
<asp:CommandField ShowEditButton= "True " />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID= "SqlDataSource1 " runat= "server " ConflictDetection= "CompareAllValues "
ConnectionString= "Data Source=.;Initial Catalog=Northwind;Integrated Security=True "
DeleteCommand= "DELETE FROM [Categories] WHERE [CategoryID] = @original_CategoryID "
我的目的是动态的添加一个控件，修改某行后，从该列中取出动态添加的那个控件中的值。程序如下，但实际操作中，却找不到那个控件。
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
HTML代码（Default.aspx）：
－－－－－－－－－－－－－－－－－－－－－－－－
<%@ Page Language= "C# " AutoEventWireup= "true " CodeFile= "Default.aspx.cs " Inherits= "_Default " %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml " >
<head runat= "server ">
<title> </title>
</head>
<body>
<form id= "form1 " runat= "server ">
<div>
<asp:GridView ID= "GridView1 " runat= "server " AutoGenerateColumns= "False " DataKeyNames= "CategoryID "
DataSourceID= "SqlDataSource1 " OnRowDataBound= "GridView1_RowDataBound " OnRowUpdating= "GridView1_RowUpdating " AllowPaging= "True " AllowSorting= "True ">
<Columns>
<asp:BoundField DataField= "CategoryID " HeaderText= "CategoryID " SortExpression= "CategoryID " />
<asp:BoundField DataField= "Description " HeaderText= "Description " SortExpression= "Description " />
<asp:BoundField DataField= "CategoryName " HeaderText= "CategoryName " SortExpression= "CategoryName " />
<asp:TemplateField> </asp:TemplateField>
<asp:CommandField ShowEditButton= "True " />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID= "SqlDataSource1 " runat= "server " ConflictDetection= "CompareAllValues "
ConnectionString= "Data Source=.;Initial Catalog=Northwind;Integrated Security=True "
DeleteCommand= "DELETE FROM [Categories] WHERE [CategoryID] = @original_CategoryID "
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