手動綁定數據到GridView並實現編輯，刪除，取消

頁面端
<%@ Page Language=“C#” AutoEventWireup=“true” CodeFile=“Default5.aspx.cs” Inherits=“Default5” %>

    <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
        CellPadding="4" ForeColor="#333333" GridLines="None" Height="285px" 
        onrowcancelingedit="GridView1_RowCancelingEdit" 
        onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" 
        onrowupdating="GridView1_RowUpdating" Width="771px">
        <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
        <RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
        <Columns>
            <asp:BoundField DataField="id" HeaderText="學號" />
            <asp:BoundField DataField="name" HeaderText="姓名" />
            <asp:BoundField DataField="sex" HeaderText="性別" />
            <asp:BoundField DataField="age" HeaderText="年齡" />
            <asp:BoundField DataField="department" HeaderText="專業" />
            <asp:BoundField DataField="grade" HeaderText="班級" />
            <asp:CommandField HeaderText="編輯 " ShowEditButton="True" />
            <asp:CommandField HeaderText="選擇" ShowSelectButton="True" />
            <asp:TemplateField HeaderText="刪除 " ShowHeader="False">
                <ItemTemplate>
                    <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" 
                        CommandName="Delete" Text="刪除" OnClientClick="return confirm('你確定要刪除嗎？')"></asp:LinkButton>
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
        <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
        <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
        <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
        <EditRowStyle BackColor="#999999" />
        <AlternatingRowStyle BackColor="White" ForeColor="#284775" />
    </asp:GridView>

</div>
</form>

後臺 using System; using System.Collections; using System.Configuration; using System.Data; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Data.SqlClient;

public partial class Default5 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Bind();
}
}

private void Bind()
{
    SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["Personal"].ConnectionString);
    SqlDataAdapter adq = new SqlDataAdapter("select * from information", conn);
    DataSet dataset=new DataSet();
    adq.Fill(dataset,"information");
    GridView1.DataSource=dataset;
    GridView1.DataKeyNames=new String[]{"id"};
    GridView1.DataBind();
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
    GridView1.EditIndex = e.NewEditIndex;
    Bind();
}
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
    SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["Personal"].ConnectionString);
    SqlCommand comm = new SqlCommand("delete from information where id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'",conn);
    conn.Open();
    try
    {
        int i = Convert.ToInt32(comm.ExecuteNonQuery());
        if (i > 0)
        {
            Response.Write("<script language=javascript>alert('刪除成功！')</script>");
        }
        else
        {
            Response.Write("<script language=javascript>alert('刪除失敗！')</script>");
        }
        Bind();
    }
    catch (Exception erro)
    {
        Response.Write("錯誤信息:"+erro.Message);
    }
    finally
    {
        conn.Close();
    }
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
    string id = ((TextBox)GridView1.Rows[e.RowIndex].Cells[0].Controls[0]).Text.ToString().Trim();
    string name = ((TextBox)GridView1.Rows[e.RowIndex].Cells[1].Controls[0]).Text.ToString().Trim();
    string sex = ((TextBox)GridView1.Rows[e.RowIndex].Cells[2].Controls[0]).Text.ToString().Trim();
    string age= ((TextBox)GridView1.Rows[e.RowIndex].Cells[3].Controls[0]).Text.ToString().Trim();
    string department = ((TextBox)GridView1.Rows[e.RowIndex].Cells[4].Controls[0]).Text.ToString().Trim();
    string grade = ((TextBox)GridView1.Rows[e.RowIndex].Cells[5].Controls[0]).Text.ToString().Trim();
    SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["Personal"].ConnectionString);
    SqlCommand comm = new SqlCommand("update information set id='"+id+"', name='"+name+"' , sex='"+sex+"' , age='"+age+"' , department='"+department+"' , grade='"+grade+"' where id='"+GridView1.DataKeys[e.RowIndex].Value.ToString()+"'", conn);
    conn.Open();
    try
    {
        int i = Convert.ToInt32(comm.ExecuteNonQuery());
        if (i > 0)
        {
            Response.Write("<script language=javascript>alert('保存成功！')</script>");
        }
        else
        {
            Response.Write("<script language=javascript>alert('保存失敗！')</script>");
        }
        GridView1.EditIndex = -1;
        Bind();
    }
    catch (Exception erro)
    {
        Response.Write("錯誤信息:" + erro.Message);
    }
    finally
    {
        conn.Close();
    }
}
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
    GridView1.EditIndex = -1;
    Bind();
}

}