Gridview:在进入编辑模式后动态添加控件
2009-07-04 00:46
471 查看
今天郁闷了一下午,在做RSCOA时搞Gridview竟然这么费力气!
想自己用代码动态的加载一些控件到它的编辑模式下,没成想挺麻烦?
1
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
2
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
DataKeyNames="ID" DataSourceID="SqlDataSource1" OnRowCreated="GridView1_RowCreated">
3
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<Columns>
4
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />
5
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False" ReadOnly="True"
6
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
SortExpression="ID" />
7
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:BoundField DataField="Title" HeaderText="Title" SortExpression="Title" />
8
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:BoundField DataField="Author" HeaderText="Author" SortExpression="Author" />
9
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:BoundField DataField="PostTime" HeaderText="PostTime" SortExpression="PostTime" />
10
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:TemplateField HeaderText="Sth.Here">
11
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<EditItemTemplate>
12
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:CheckBoxList ID="CheckBoxList1" runat="server">
13
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</asp:CheckBoxList>
14
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</EditItemTemplate>
15
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<ItemTemplate>
16
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:Label ID="Label1" runat="server" Text='<%# Eval("Title") %>'></asp:Label>
17
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</ItemTemplate>
18
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</asp:TemplateField>
19
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</Columns>
20
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</asp:GridView>
看到11~14行了吧,准备在Gridview进入编辑模式后在初始化CheckBoxList1,动态添加Items。
Gridview响应编辑模式的事件好像只能是RowEditing了,可是MSDN上确实是写着,这个事件在进入编辑模式前发生,e.Cancel可以控制是否取消编辑操作,晕哦,在GridView1_RowEditing事件里怎么FindControl也搞不到,汗……
尝试了各种方法也不行,可是Gridview也没有个什么“RowEdited”事件呀。
一下午的时间都没搞成,烦了,去买了包烟,一边享受一边捉摸――MS不至于这么傻呀,肯定是自己XX了。
再翻MSDN了,看到了RowCreated眼前一亮!.NET是回传来响应用户动作的,那么进入edit mode也要create row的,然后try了一下,嘿嘿,OK
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (e.Row.RowState == DataControlRowState.Edit)
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
CheckBoxList cbl = (CheckBoxList)e.Row.FindControl("CheckBoxList1");
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
cbl.Items.Add("总算找到你个CBL了!");
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}View in browser一下,点了第一行挺满意,再随意点了几下,等等!!!有不正确的!
最后发现凡是偶数行都不能加入checkbox。
怎么回事,把所有的State输出了一看,哦,偶数行都有DataControlRowState.Alternate值,哦,那就好办了,与一下就去掉了:
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
{
if ((e.Row.RowState & DataControlRowState.Edit) == DataControlRowState.Edit)
{
CheckBoxList cbl = (CheckBoxList)e.Row.FindControl("CheckBoxList1");
cbl.Items.Add("总算找到你个CBL了!");
}
}
我就说今天开始要重生了吧……
想自己用代码动态的加载一些控件到它的编辑模式下,没成想挺麻烦?
1
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
2
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
DataKeyNames="ID" DataSourceID="SqlDataSource1" OnRowCreated="GridView1_RowCreated">
3
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<Columns>
4
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />
5
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False" ReadOnly="True"
6
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
SortExpression="ID" />
7
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:BoundField DataField="Title" HeaderText="Title" SortExpression="Title" />
8
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:BoundField DataField="Author" HeaderText="Author" SortExpression="Author" />
9
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:BoundField DataField="PostTime" HeaderText="PostTime" SortExpression="PostTime" />
10
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:TemplateField HeaderText="Sth.Here">
11
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<EditItemTemplate>
12
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:CheckBoxList ID="CheckBoxList1" runat="server">
13
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</asp:CheckBoxList>
14
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</EditItemTemplate>
15
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<ItemTemplate>
16
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:Label ID="Label1" runat="server" Text='<%# Eval("Title") %>'></asp:Label>
17
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</ItemTemplate>
18
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</asp:TemplateField>
19
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</Columns>
20
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
</asp:GridView>
看到11~14行了吧,准备在Gridview进入编辑模式后在初始化CheckBoxList1,动态添加Items。
Gridview响应编辑模式的事件好像只能是RowEditing了,可是MSDN上确实是写着,这个事件在进入编辑模式前发生,e.Cancel可以控制是否取消编辑操作,晕哦,在GridView1_RowEditing事件里怎么FindControl也搞不到,汗……
尝试了各种方法也不行,可是Gridview也没有个什么“RowEdited”事件呀。
一下午的时间都没搞成,烦了,去买了包烟,一边享受一边捉摸――MS不至于这么傻呀,肯定是自己XX了。
再翻MSDN了,看到了RowCreated眼前一亮!.NET是回传来响应用户动作的,那么进入edit mode也要create row的,然后try了一下,嘿嘿,OK
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/None.gif)
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (e.Row.RowState == DataControlRowState.Edit)
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
CheckBoxList cbl = (CheckBoxList)e.Row.FindControl("CheckBoxList1");
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
cbl.Items.Add("总算找到你个CBL了!");
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://dsclub.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}View in browser一下,点了第一行挺满意,再随意点了几下,等等!!!有不正确的!
最后发现凡是偶数行都不能加入checkbox。
怎么回事,把所有的State输出了一看,哦,偶数行都有DataControlRowState.Alternate值,哦,那就好办了,与一下就去掉了:
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
{
if ((e.Row.RowState & DataControlRowState.Edit) == DataControlRowState.Edit)
{
CheckBoxList cbl = (CheckBoxList)e.Row.FindControl("CheckBoxList1");
cbl.Items.Add("总算找到你个CBL了!");
}
}
我就说今天开始要重生了吧……
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