DataGrid里面嵌套DataGrid的问题

jacksoncan 2004-03-15 08:30:24

如题，请问有哪位高手知道如何在DataGrid 里面嵌套一个DataGrid?
就是我想实现以下功能：datagrid里面有个放了LinkButton 的模板列
我想用户点击了LinkButton 后，进入<EditItemTemplate>模板里的DataGrid进行编辑，能做到吗？我试了一下，好像不行，不知道哪位高手知道？

<asp:DataGrid id="dg" style="Z-INDEX: 101; LEFT: 56px; POSITION: absolute; TOP: 56px" runat="server" AutoGenerateColumns="False">
<Columns>
<asp:TemplateColumn Header Text="SelectItem">
<ItemTemplate>
<asp:LinkButton id="lk" runat="server"></asp:LinkButton>
</ItemTemplate>
<EditItemTemplate>
</EditItemTemplate></asp:TemplateColumn>
</Columns>
</asp:DataGrid>

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fqcd555 2004-03-16

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athossmth 2004-03-16

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我的DropDownList/ListBox in Datagrid示例：

aspx：

<asp:TemplateColumn HeaderText="Med">
<HeaderStyle Width="80px"></HeaderStyle>
<ItemTemplate>
<asp:DropDownList Width="80px" ID="ddlV" runat="server" Font-Size="8"></asp:DropDownList>
</ItemTemplate>
//显示的是一个多选项，普通情况下显是一个DropDownList
<EditItemTemplate>
<asp:ListBox Width="100px" id="lstV" runat="server" Height="120px"></asp:ListBox>
</EditItemTemplate>
//编辑模式显示ListBox
</asp:TemplateColumn>

在private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)中：

if (e.Item.ItemType == ListItemType.EditItem ) //编辑模式，绑定ListBox并置亮选中项
{
ListBox LB = (ListBox)(e.Item.Cells[8].FindControl("lstV "));
String strSql = "SELECT VIn, VName FROM tV ORDER BY VIn";
SqlDataAdapter daPV = new SqlDataAdapter (strSql, sqlCn);
DataSet dsPV = new DataSet();
daPV.Fill(dsPV, "tV");
LB.DataSource = dsPV.Tables["tV"].DefaultView;
LB.DataTextField = "VName";
LB.DataValueField = "VIn";
LB.DataBind();
LB.SelectionMode= ListSelectionMode.Multiple;

strSql = "SELECT VIn, VName FROM tV, sV WHERE sV.V = tV.VIn";
SqlCommand cmdPV = new SqlCommand(strSql);
cmdPV.Connection = sqlCn;
sqlCn.Open();
DataReader drPV = new DataReader();
drPV = cmdPV.ExecuteReader();
while(drPV.Read())
{
LB.Items.FindByValue(drPV.GetValue(0).ToString()).Selected = true;
}
sqlCn.Close();
}
else if(e.Item.ItemType==ListItemType.Item || e.Item.ItemType==ListItemType.AlternatingItem)//显示模式，绑定DropDownList
{
DropDownList DDL = (DropDownList)(e.Item.Cells[8].FindControl("ddlV"));
strSql = "SELECT VIn, VName FROM tV, sV WHERE sV.V =tV.VIn";
SqlCommand cmdPV = new SqlCommand(strSql);
cmdPV.Connection = sqlCn;
SqlDataAdapter daPV = new SqlDataAdapter(cmdPV);
daPV.Fill(dsPV, "tV");
DDL.DataSource = dsPV.Tables["tV"].DefaultView;
DDL.DataTextField = "VName";
DDL.DataValueField = "VIn";
DDL.DataBind();
}