我创建了一个从 OracleReader 填充的 GridView。数据包含一个人的名字和姓氏。这部分工作正常。
我想添加一个 DropDownList 作为第三列,它将具有来自单独查询的数据源。我遇到的问题是在后面的代码中访问 DropDownList。另外,我将如何访问每个动态创建的 DropDown?
<asp:GridView ID="GridView_People" runat="server" emptydatatext="Make selections above">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:DropDownList ID="DropDown_features" runat="server">
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
以及在单击按钮时填充 GridView 的代码(目前一切正常)
Protected Sub Button_Submit_Click(sender As Object, e As System.EventArgs) Handles Button_Submit.Click
Dim Conn As OracleConnection
Dim Cmd As OracleCommand
Dim Reader As OracleDataReader
Conn = New OracleConnection(--CONNECTIONSTRING--)
Dim sqlString As String = "select first, last from TABLE"
Cmd = New OracleCommand(sqlString)
Cmd.Connection = Conn
Cmd.CommandType = Data.CommandType.Text
Try
Conn.Open()
Reader = Cmd.ExecuteReader()
GridView_People.DataSource = Reader
GridView_People.DataBind()
Catch ex As Exception
Finally
End Try
Conn.Close()
Conn.Dispose()
End Sub
我尝试在后面的代码中访问 GridView_RowCreated 事件中的 DropDown_features,但我无法访问下拉列表。有任何想法吗?