从gridview获取值时出错

本文关键字：出错 获取 gridview | 更新日期: 2023-09-27 18:11:57

我有一个GridView，我正在动态绑定网格。在这个网格中，我想使第二个单元格为可编辑的。我能够做到这一点，我修改了文本框后，我将点击提交按钮。这里我的问题是在按钮点击事件，我无法获得文本框的值。

代码
<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();
    }
}

这里是在dty抛出错误，谁能帮助吗?

从gridview获取值时出错

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。你可以按照下面的代码来操作。

 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;
        }
    }
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