datalist的手写代码更新记录的怪有关问题
日期：2014-05-19 浏览次数：20535 次
datalist的手写代码更新记录的怪问题?
昨天做 "datalist的手写代码更新记录 "的时候遇到一个难题:就是运行后更改了数据按了更新按钮,数据还是没有更
改,找了一个下午也没能找出那里错了,试过在protected void DataList1_UpdateCommand(object source,
DataListCommandEventArgs e)事件的最后一个花括号}处加了一个断点来调试(也就是说在55行加了一个断点),发
现string Score =(( TextBox)e.Item.FindControl( "TextBox1 ")).Text和string Comment = ((TextBox)
e.Item.FindControl( "TextBox2 ")).Text的值是原来没有更新之前的值,而不是更新之后的值,真的很奇怪!请各位
帮忙看一下错在那里.
075010.aspx
1 <%@ Page Language= "C# " AutoEventWireup= "true " CodeFile= "070510.aspx.cs " Inherits= "_070510 " %>
2
3 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN "
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
4
5 <html xmlns= "http://www.w3.org/1999/xhtml " >
6 <head runat= "server ">
7 <title> Untitled Page </title>
8 </head>
9 <body>
10 <form id= "form1 " runat= "server ">
11 <div>
12 <asp:DataList ID= "DataList1 " runat= "server " OnCancelCommand= "DataList1_CancelCommand "
OnEditCommand= "DataList1_EditCommand " OnUpdateCommand= "DataList1_UpdateCommand ">
13 <ItemTemplate>
14 <asp:LinkButton ID= "LinkButton1 " runat= "server " CommandName= "edit "> 修改
</asp:LinkButton>
15
16 <asp:LinkButton ID= "LinkButton2 " runat= "server " CommandName= "delete "> 删除
</asp:LinkButton>
17
18 <%# Eval( "HomeworkID ")%>
19
20 <%# Eval( "HScore ")%>
21
22 <%# Eval( "HComment ")%>
23 </ItemTemplate>
24 <EditItemTemplate>
25 <asp:LinkButton ID= "LinkButton1 " runat= "server " CommandName= "update "> 更新
</asp:LinkButton>
26
27 <asp:LinkButton ID= "LinkButton2 &qu
昨天做 "datalist的手写代码更新记录 "的时候遇到一个难题:就是运行后更改了数据按了更新按钮,数据还是没有更
改,找了一个下午也没能找出那里错了,试过在protected void DataList1_UpdateCommand(object source,
DataListCommandEventArgs e)事件的最后一个花括号}处加了一个断点来调试(也就是说在55行加了一个断点),发
现string Score =(( TextBox)e.Item.FindControl( "TextBox1 ")).Text和string Comment = ((TextBox)
e.Item.FindControl( "TextBox2 ")).Text的值是原来没有更新之前的值,而不是更新之后的值,真的很奇怪!请各位
帮忙看一下错在那里.
075010.aspx
1 <%@ Page Language= "C# " AutoEventWireup= "true " CodeFile= "070510.aspx.cs " Inherits= "_070510 " %>
2
3 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN "
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
4
5 <html xmlns= "http://www.w3.org/1999/xhtml " >
6 <head runat= "server ">
7 <title> Untitled Page </title>
8 </head>
9 <body>
10 <form id= "form1 " runat= "server ">
11 <div>
12 <asp:DataList ID= "DataList1 " runat= "server " OnCancelCommand= "DataList1_CancelCommand "
OnEditCommand= "DataList1_EditCommand " OnUpdateCommand= "DataList1_UpdateCommand ">
13 <ItemTemplate>
14 <asp:LinkButton ID= "LinkButton1 " runat= "server " CommandName= "edit "> 修改
</asp:LinkButton>
15
16 <asp:LinkButton ID= "LinkButton2 " runat= "server " CommandName= "delete "> 删除
</asp:LinkButton>
17
18 <%# Eval( "HomeworkID ")%>
19
20 <%# Eval( "HScore ")%>
21
22 <%# Eval( "HComment ")%>
23 </ItemTemplate>
24 <EditItemTemplate>
25 <asp:LinkButton ID= "LinkButton1 " runat= "server " CommandName= "update "> 更新
</asp:LinkButton>
26
27 <asp:LinkButton ID= "LinkButton2 &qu
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