Demo/Projectlist.aspx.cs

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using Demo.Helper;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace Demo
{
    public partial class Projectlist : Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string LoginId = CookieHelper.GetCookie("Aid", "LoginId");
            if(string.IsNullOrEmpty(LoginId))
            {
                Response.Write("<script>alert('请您先登录再操作!');window.location.href='Login.aspx';</script>");
                Response.End();
            }
            if (!IsPostBack)
            {
                bind();
            }
        }
        //绑定数据
        public void bind()
        {
            DataTable data = DBHelper.GetDataTable($"select * from Project");
            GridViewbook.DataSource = data.DataSet;
            GridViewbook.DataBind();
        }

        protected void GridViewbook_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
        {
            GridViewbook.EditIndex = -1;//将gridview从编辑模式切换成浏览模式
            bind();
        }

        protected void GridViewbook_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            int id = Convert.ToInt32(this.GridViewbook.DataKeys[e.RowIndex].Value);
            string str = "delete from Project where Pid=" + id;
            int num = DBHelper.ExecuteNonQuery(str);
            if (num > 0)
            {
                Response.Write("<script>alert('删除成功!')</script>");
            }
            else
            {
                Response.Write("<script>alert('删除失败!')</script>");
            }
            bind();
        }

        protected void GridViewbook_RowEditing(object sender, GridViewEditEventArgs e)
        {
            GridViewbook.EditIndex = e.NewEditIndex;
            bind();