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我有一些数据绑定到 gridview，想知道是否可以检索选定行中的值并将这些值插入到一系列文本框或标签中。

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2 回答 2

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是的，有可能。使用FindControl方法

重复

于 2012-08-08T23:18:21.160 回答
0

正如@codingbiz 所说：您可以使用FindControland TemplateField。

这个例子：

EditGridView.aspx：

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="EditGridView.aspx.cs" Inherits="Q11874496WebApp.EditGridView" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" OnSelectedIndexChanged="GridView1_SelectedIndexChanged">
            <Columns>
                <asp:CommandField ShowSelectButton="True" />
                <asp:TemplateField HeaderText="Id" SortExpression="Id">
                    <ItemTemplate>
                        <asp:Label ID="LblId" runat="server" Text='<%# Bind("Id") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="Name" SortExpression="Name">
                    <ItemTemplate>
                        <asp:Label ID="Lblname" runat="server" Text='<%# Bind("Name") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="Phone" SortExpression="Phone">
                    <ItemTemplate>
                        <asp:Label ID="LblPhone" runat="server" Text='<%# Bind("Phone") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>
    </div>
    &nbsp;Id:
    <asp:TextBox ID="TxtId" runat="server"></asp:TextBox>
    &nbsp;Name:
    <asp:TextBox ID="TxtName" runat="server"></asp:TextBox>
    &nbsp;Phone:
    <asp:TextBox ID="TxtPhone" runat="server"></asp:TextBox>
    <asp:Button ID="BtnUpdate" runat="server" OnClick="BtnUpdate_Click" Text="Update" />
    </form>
</body>
</html>

EditGridView.aspx.cs：

public partial class EditGridView : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {
            if (this.MyDataList.Count == 0)
            {
                this.populateData();
            }
            this.GridView1.DataSource = this.MyDataList;
            this.GridView1.DataBind();
        }
    }

    /// <summary>
    /// Data for the GridView. Encapsulates a list that will be in session.
    /// </summary>
    public IList<MyDataPoco> MyDataList
    {
        get
        {
            if (this.Session["MyDataList"] == null)
                this.Session["MyDataList"] = new List<MyDataPoco>();
            return (IList<MyDataPoco>)this.Session["MyDataList"];
        }
    }

    /// <summary>
    /// Creates a list of 10 items.
    /// </summary>
    private void populateData()
    {
        for (int i = 0; i < 10; i++)
        {
            this.MyDataList.Add(
                new MyDataPoco()
                {
                    Id = i.ToString(),
                    Name = "Name " + i,
                    Phone = i + "" + i + "" + i + "." + i + "" + i + "" + i + "" + i + ""
                });
        }
    }

    /// <summary>
    /// Here is the way you can get values from GridView.
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
    {
        GridViewRow row = this.GridView1.SelectedRow;
        Label LblId = (Label)row.FindControl("LblId");
        Label LblName = (Label)row.FindControl("LblName");
        Label LblPhone = (Label)row.FindControl("LblPhone");

        this.TxtId.Text = LblId.Text;
        this.TxtName.Text = LblName.Text;
        this.TxtPhone.Text = LblPhone.Text;
    }

    /// <summary>
    /// Updates the data in the GridView.
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void BtnUpdate_Click(object sender, EventArgs e)
    {
        if (this.GridView1.SelectedIndex < 0)
        {
            this.ClientScript.RegisterStartupScript(
                this.GetType(),
                "alert",
                "alert('Select before...');", true);
        }
        else
        {
            MyDataPoco myDateItem = this.MyDataList[this.GridView1.SelectedIndex];
            myDateItem.Id = this.TxtId.Text;
            myDateItem.Name = this.TxtName.Text;
            myDateItem.Phone = this.TxtPhone.Text;

            this.GridView1.DataSource = this.MyDataList;
            this.GridView1.DataBind();
        }
    }
}

MyDataPoco.cs：

public class MyDataPoco
{
    public String Id { get; set; }
    public String Name { get; set; }
    public String Phone { get; set; }
}

完整来源：Q11874496WebApp.7z

于 2012-08-08T23:50:55.367 回答