C# 将TextboxTexchange添加到asp.net c中gridview中动态创建的textbox#

我在动态创建的gridview上标记textchanged事件时遇到问题（由于复杂的数据源、透视表等，我故意在没有templatefield或boundfield的情况下将其动态化）

下面是我的gridview代码片段

  <asp:HiddenField ID="SelectedGridCellIndex" runat="server" Value="-1" />
    <asp:GridView ID="dgvTask" runat="server" OnRowDataBound="dgvTask_RowDataBound" OnRowEditing="dgvTask_RowEditing">
        <Columns>
            <asp:BoundField DataField="Task" HeaderText="Task" >
            <ControlStyle BackColor="White" BorderColor="Black" />
            <ItemStyle BackColor="White" BorderColor="Black" BorderStyle="Solid" ForeColor="Black" />
            </asp:BoundField>
        </Columns>
        <HeaderStyle BorderStyle="Solid" />
    </asp:GridView>

如您所见，我添加了一个回发，并从默认页面标记了textchanged事件

以下是默认页面中的TextChanged事件

        public void TextBox1_TextChanged(object sender, EventArgs e)
    {
        string task = dgvTask.SelectedRow.Cells[0].Text;
        ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('" + task + "')", true);
    }    

我还尝试在RowDatabound事件中标记它

 protected void dgvTask_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        e.Row.Cells[1].Visible = false;
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            for (int i = 0; i < e.Row.Cells.Count; i++)
            {
                TableCell cell = e.Row.Cells[i];
                cell.Attributes["onmouseover"] = "this.style.cursor='pointer';this.style.textDecoration='underline';";
                cell.Attributes["onmouseout"] = "this.style.textDecoration='none';";
                cell.ToolTip = "You can click this cell";
                TextBox txt = e.Row.FindControl("txtdata") as TextBox;
                txt.TextChanged += new EventHandler(TextBox1_TextChanged);
                //cell.Attributes["onclick"] = string.Format("document.getElementById('{0}').value = {1}; {2}"
                //   , SelectedGridCellIndex.ClientID, i
                //   , Page.ClientScript.GetPostBackClientHyperlink((GridView)sender, string.Format("Select${0}", e.Row.RowIndex)));
            }
        }
    }

protectedvoid dgvTask_RowDataBound（对象发送方，GridViewRowEventArgs e）
{
e、 行。单元格[1]。可见=假；
如果（e.Row.RowType==DataControlRowType.DataRow）
{
for（int i=0；i

发生的情况是，在我在textbox上输入了一些内容并按tab键（这将触发textchanged事件）后，会触发回发，但textchanged事件不会被触发

希望您理解我的问题和代码。谢谢

 protected void dgvTask_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        e.Row.Cells[1].Visible = false;
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            for (int i = 0; i < e.Row.Cells.Count; i++)
            {
                TableCell cell = e.Row.Cells[i];
                cell.Attributes["onmouseover"] = "this.style.cursor='pointer';this.style.textDecoration='underline';";
                cell.Attributes["onmouseout"] = "this.style.textDecoration='none';";
                cell.ToolTip = "You can click this cell";
                TextBox txt = e.Row.FindControl("txtdata") as TextBox;
                txt.TextChanged += new EventHandler(TextBox1_TextChanged);
                //cell.Attributes["onclick"] = string.Format("document.getElementById('{0}').value = {1}; {2}"
                //   , SelectedGridCellIndex.ClientID, i
                //   , Page.ClientScript.GetPostBackClientHyperlink((GridView)sender, string.Format("Select${0}", e.Row.RowIndex)));
            }
        }
    }