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  • GridView选中,编辑,取消,删除代码

    原文发布时间为:2008-08-03 —— 来源于本人的百度文章 [由搬家工具导入]

    2.GridView选中,编辑,取消,删除:

    效果图:

    后台代码:
    你可以使用sqlhelper,本文没用。代码如下:
    using System;
    using System.Data;
    using System.Configuration;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Web.UI.HtmlControls;
    using System.Data.SqlClient;

    public partial class _Default : System.Web.UI.Page
    {

    //清清月儿http://blog.csdn.net/21aspnet
        SqlConnection sqlcon;
        SqlCommand sqlcom;
        string strCon = "Data Source=(local);Database=数据库名;Uid=帐号;Pwd=密码";
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                bind();
            }
        }
        protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
        {
            GridView1.EditIndex = e.NewEditIndex;
            bind();
        }

    //删除
        protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            string sqlstr = "delete from 表 where id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
            sqlcon = new SqlConnection(strCon);
            sqlcom = new SqlCommand(sqlstr,sqlcon);
            sqlcon.Open();
            sqlcom.ExecuteNonQuery();
            sqlcon.Close();
            bind();
        }

    //更新
        protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            sqlcon = new SqlConnection(strCon);
            string sqlstr = "update 表 set 字段1='"
                + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',字段2='"
                + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim() + "',字段3='"
                + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where id='"
                + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
            sqlcom=new SqlCommand(sqlstr,sqlcon);
            sqlcon.Open();
            sqlcom.ExecuteNonQuery();
            sqlcon.Close();
            GridView1.EditIndex = -1;
            bind();
        }

    //取消
        protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
        {
            GridView1.EditIndex = -1;
            bind();
        }

    //绑定
        public void bind()
        {
            string sqlstr = "select * from 表";
            sqlcon = new SqlConnection(strCon);
            SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
            DataSet myds = new DataSet();
            sqlcon.Open();
            myda.Fill(myds, "表");
            GridView1.DataSource = myds;
            GridView1.DataKeyNames = new string[] { "id" };//主键
            GridView1.DataBind();
            sqlcon.Close();
        }
    }

    前台主要代码:
                                ... ...
    <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4"
                            ForeColor="#333333" GridLines="None" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
                            OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit">
                            <FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
                            <Columns>
                                <asp:BoundField DataField="身份证号码" HeaderText="用户ID" ReadOnly="True" />
                                <asp:BoundField DataField="姓名" HeaderText="用户姓名" />
                                <asp:BoundField DataField="员工性别" HeaderText="性别" />
                                <asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
                                <asp:CommandField HeaderText="选择" ShowSelectButton="True" />
                                <asp:CommandField HeaderText="编辑" ShowEditButton="True" />
                                <asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
                            </Columns>
                            <RowStyle ForeColor="#000066" />
                            <SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
                            <PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
                            <HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
                        </asp:GridView>

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  • 原文地址:https://www.cnblogs.com/handboy/p/7141598.html
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