栏目分类:
子分类:
返回
名师互学网用户登录
快速导航关闭
当前搜索
当前分类
子分类
实用工具
热门搜索
名师互学网 > IT > 软件开发 > 后端开发 > asp

asp.net中使用DatagridView的增删改方法具体实现

asp 更新时间: 发布时间: IT归档 最新发布 模块sitemap 名妆网 法律咨询 聚返吧 英语巴士网 伯小乐 网商动力

asp.net中使用DatagridView的增删改方法具体实现

default.aspx 页面:
复制代码 代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="GPS_Web.Default" %>



   


   



default.aspx.cs页面代码:
复制代码 代码如下:
using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using GPS_Web.ywpages.DAL;
using System.Data;
namespace GPS_Web
{
    ///
    /// 参考的网址:http://blog.csdn.net/wanglei_samrtfish/article/details/8070480
    ///

    public partial class Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!Page.IsPostBack)
            {
                GridViewBind();
            }
        }
        private void GridViewBind()
        {
            string sql = "select Num,TableName,TextName from dbo.GroupType_Demo";
            try
            {     //绑定数据源
                GridView1.DataSource = SqlHelper.ExecuteDataset(SqlHelper.GetConnSting(), CommandType.Text, sql).Tables[0];
                GridView1.DataBind();
            }
            catch (Exception ex){}
        }
        protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            GridView1.PageIndex = e.NewPageIndex;
            GridViewBind();
        }
        protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
        {
            GridView1.EditIndex = -1;
            GridViewBind();
        }
        protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
        {  //gridview编辑项索引等于单击行的索引
            GridView1.EditIndex = e.NewEditIndex;
            GridViewBind();
        }
        ///
        /// 修改事件
        ///

        protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {  //取出编号
            int Num = Convert.ToInt32(((Label)GridView1.Rows[e.RowIndex].FindControl("lblNum")).Text.ToString());
            //获取修改的值的内容
            string TableName = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("txtTableName")).Text;
            string TextName = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("txtTextName")).Text;
            //更新记录
            string sql = string.Format("update dbo.GroupType_Demo set TableName='{0}',TextName='{1}' where Num={2}",TableName,TextName,Num);
            try
            {
                int i = SqlHelper.ExecuteNonQuery(SqlHelper.GetConnSting(), CommandType.Text, sql);
                if (i > 0)
                {
                    Clientscript.RegisterStartupscript(Clientscript.GetType(), "myscript", "");
                }
                else
                {
                    Clientscript.RegisterStartupscript(Clientscript.GetType(), "myscript", "");
                }
            }
            catch (Exception ex)
            {
                Clientscript.RegisterStartupscript(Clientscript.GetType(), "myscript", "");
            }
            GridView1.EditIndex = -1;
            GridViewBind();
        }
        ///
        /// 删除事件
        ///

        protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            //取出编号
            int Num = Convert.ToInt32(((Label)GridView1.Rows[e.RowIndex].FindControl("lblNum")).Text.ToString());
            //更新记录
            string sql = string.Format("delete dbo.GroupType_Demo where num={0}", Num);
            try
            {
                int i = SqlHelper.ExecuteNonQuery(SqlHelper.GetConnSting(), CommandType.Text, sql);
                if (i > 0)
                {
                    Clientscript.RegisterStartupscript(Clientscript.GetType(), "myscript", "");
                }
                else
                {
                    Clientscript.RegisterStartupscript(Clientscript.GetType(), "myscript", "");
                }
            }
            catch (Exception ex)
            {
                Clientscript.RegisterStartupscript(Clientscript.GetType(), "myscript", "");
            }  www.jb51.net
            GridView1.EditIndex = -1;
            GridViewBind();
        }
        ///
        /// 添加按钮
        ///

        protected void btnAdd_Click(object sender, EventArgs e)
        {
            Response.Redirect("~/Default_Add.aspx");
        }
        protected void GridView1_SelectedIndexChanging(object sender, GridViewSelectEventArgs e)
        {
            //行号
            int i = e.NewSelectedIndex;
            GridViewRow row = GridView1.Rows[e.NewSelectedIndex];

            btnAdd.Text = "你选中了第" + (i+1) + "行。";
        }       
    }
}

执行后的页面效果:
转载请注明:文章转载自 www.mshxw.com
本文地址:https://www.mshxw.com/it/57671.html
我们一直用心在做
关于我们 文章归档 网站地图 联系我们

版权所有 (c)2021-2022 MSHXW.COM

ICP备案号:晋ICP备2021003244-6号