manager.aspx.cs

接入网络时的绑定管理系统

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;

namespace NETManage.Web.Admin
{
    public partial class Manager : PageBase//System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            IsLogin();
            if (!Page.IsPostBack)
            {
                NETManage.BLL.Manager mbll = new NETManage.BLL.Manager();
                DataSet ds = mbll.GetAllList();
                ViewState["ds"] = ds;
                GVBind();
            }
        }


        protected void GVBind()
        {
            DataSet ds = (DataSet)ViewState["ds"];
            GV_Manager.DataSource = ds;
            GV_Manager.DataKeyNames = new string[] { "Login_Name" };
            GV_Manager.DataBind();
        }


        protected void Button_Default_Click(object sender, EventArgs e)
        {
            Response.Redirect("Default.aspx");
        }

        protected void Button_Logout_Click(object sender, EventArgs e)
        {
            Response.Redirect("logout.aspx");
        }

        protected void Button_Add_Click(object sender, EventArgs e)
        {
            Response.Redirect("EditManager.aspx");
        }

        protected void Button_Edit_Click(object sender, EventArgs e)
        {
            string Login_Name = string.Empty;
            try
            {
                Login_Name = this.GV_Manager.SelectedDataKey.Value.ToString();
            }
            catch
            {
                MsgBox("请先选择要操作的记录！");
            }

            if (Login_Name != null && Login_Name.Length > 0)
            {
                Response.Redirect("EditManager.aspx?Login_Name=" + Login_Name);
            }
            else
            {
                MsgBox("请先选择要操作的记录！");
            }
        }

        protected void Button_DEL_Click(object sender, EventArgs e)
        {
            string Login_Name = string.Empty;
            try
            {
                Login_Name = this.GV_Manager.SelectedDataKey.Value.ToString();
            }
            catch
            {
                MsgBox("请先选择要操作的记录！");
            }

            if (Login_Name != null && Login_Name.Length > 0)
            {
                if (Login_Name == "admin")
                {
                    MsgBox("不能删除超级管理员!");
                    return;
                }
                NETManage.BLL.Manager mbll = new NETManage.BLL.Manager();
                try
                {
                    mbll.Delete(Login_Name);
                    Response.Redirect("Manager.aspx");
                }
                catch (Exception ee)
                {
                    MsgBox("删除失败!" + ee.Message);
                }
            }
            else
            {
                MsgBox("请先选择要操作的记录！");
            }
        }

        protected void GV_Manager_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            GridView theGrid = sender as GridView;  // refer to the GridView
            int newPageIndex = 0;

            if (-2 == e.NewPageIndex)
            { // when click the "GO" Button
                TextBox txtNewPageIndex = null;
                //GridViewRow pagerRow = theGrid.Controls[0].Controls[theGrid.Controls[0].Controls.Count - 1] as GridViewRow; // refer to PagerTemplate
                GridViewRow pagerRow = theGrid.BottomPagerRow; //GridView较DataGrid提供了更多的API，获取分页块可以使用BottomPagerRow 或者TopPagerRow，当然还增加了HeaderRow和FooterRow

                if (null != pagerRow)
                {
                    txtNewPageIndex = pagerRow.FindControl("txtNewPageIndex") as TextBox;   // refer to the TextBox with the NewPageIndex value
                }

                if (null != txtNewPageIndex)
                {
                    newPageIndex = int.Parse(txtNewPageIndex.Text) - 1; // get the NewPageIndex
                }
            }
            else
            {  // when click the first, last, previous and next Button
                newPageIndex = e.NewPageIndex;
            }

            // check to prevent form the NewPageIndex out of the range
            newPageIndex = newPageIndex < 0 ? 0 : newPageIndex;
            newPageIndex = newPageIndex >= theGrid.PageCount ? theGrid.PageCount - 1 : newPageIndex;
            theGrid.PageIndex = newPageIndex;

            GVBind();
        }
    }
}