Question

我有一个GridView，我动态绑定网格。在这个网格中我想让第二个单元格可编辑。我能够做到这一点，在我修改文本框后，我将点击提交按钮。这里我的问题是按钮点击事件我无法获得文本框值。

码

<asp:GridView ID="DGridView" runat="server" Font-Size="Small" Width="40%" PageSize="4" ShowHeader="False"  OnRowDataBound="DGridView_RowDataBound" AutoPostBack="True" />                           

protected void DGridView_RowDataBound(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        TextBox txtseed = new TextBox();
        txtseed.ID = "txtseed";
        txtseed.Text = Convert.ToString(DataBinder.Eval(e.Row.DataItem, "seed"));
        e.Row.Cells[1].Controls.Add(txtseed);
    }

}


protected void butSubmit_Click(object sender, EventArgs e)
{
    for (int i = 0; i < DGridView.Rows.Count; i++)
    {
        strDNo = DGridView.Rows[i].Cells[0].Text;

        dty = DGridView.Rows[i].Cells[1].FindControl("txtseed").ToString();
    }
}

这里dty是抛出错误，有人可以帮忙吗？

Answer 1

在获取文本之前，您需要将对象转换为TextBox。不要忘记设置数据源。您可以按照此代码进行操作。

 public class Test
    {
        public string Seed { get; set; }
    }

protected void Page_Load(object sender, EventArgs e)
    {
       List<Test> test = new List<Test>();
        test.Add(new Test() {Seed = "ssss"});
        test.Add(new Test() { Seed = "aaaa" });
        DGridView.DataSource = test;
        DGridView.DataBind();
    }



  protected void DGridView_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                TextBox txtseed = new TextBox();
                txtseed.ID = "txtseed";
                txtseed.Text = Convert.ToString(DataBinder.Eval(e.Row.DataItem, "seed"));
                e.Row.Cells[0].Controls.Add(txtseed);
            }

        }

 protected void Button1_OnClick(object sender, EventArgs e)
    {
        for (int i = 0; i < DGridView.Rows.Count; i++)
        {
            var strDNo = DGridView.Rows[i].Cells[0].Text;

            TextBox dty =(TextBox)DGridView.Rows[i].Cells[0].FindControl("txtseed");
            var z = dty.Text;
        }
    }

从gridview asp.net获取值时出错

1 个答案: