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我在我的asp.net頁面上有表,並且想要插入新的行。我嘗試添加每個點擊按鈕的新行,其中包含帶有FileUpload的單元,但它起作用只有第一次。當我下次點擊時,在我的代碼後面。在代碼中添加新行代碼
<asp:Panel ID="pnlImages" runat="server" BackColor="Gray" Height="500">
<table id="tblImages" runat="server" width="100%">
<tr>
<td>
<asp:FileUpload ID="FileUpload1" runat="server" />
</td>
</tr>
<tr>
<td align="right" width="100">
<asp:ImageButton ID="imbAddImage" runat="server" ImageUrl="images/plus.png"
Width="48" Height="48" OnClick="imbAddImage_Click"/>
</td>
</tr>
</table>
</asp:Panel>
這是按鈕的代碼單擊
protected void imbAddImage_Click(object sender, ImageClickEventArgs e)
{
System.Web.UI.HtmlControls.HtmlTable tbl = (System.Web.UI.HtmlControls.HtmlTable)this.FindControl("tblImages");
System.Web.UI.HtmlControls.HtmlTableRow row = new System.Web.UI.HtmlControls.HtmlTableRow();
System.Web.UI.HtmlControls.HtmlTableCell cell = new System.Web.UI.HtmlControls.HtmlTableCell();
FileUpload temp = new FileUpload();
cell.Controls.Add(temp);
row.Controls.Add(cell); ;
int a=tbl.Controls.Count;
tbl.Controls.AddAt(a-1, row);
}
但問題是,始終是2。任何人可以幫助?