GridView 实现自定义分页、排序、查询、添加、编辑、多选删除

运行效果图：


PM_Base.aspx

<% @ Page Language="C#" AutoEventWireup="true" CodeFile="PM_Base.aspx.cs" Inherits="PM_Base"
    EnableEventValidation="false"  %>

<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< html  xmlns ="http://www.w3.org/1999/xhtml" >
< head  id ="Head1"  runat ="server" >
     < title > 基本信息 </ title >
</ head >
< body >
     < form  id ="form1"  runat ="server" >
         <!-- 导航事件按钮 -->
         < table  cellpadding ="0"  cellspacing ="0"  width ="%" >
             < tr >
                 < td  align ="right"  style ="height: 25px;"  nowrap ="nowrap" >
                     < input  type ="hidden"  id ="HiddenID"  name ="HiddenID"  runat ="server"   />
                     < input  id ="btnView"  runat ="server"  type ="button"  value ="查看"  style ="width: 50px; height: 20px;"
                        class ="ClassBtn"  onclick ="return View();"   />
                     < asp:Button  ID ="btnSearch"  runat ="server"  Text ="查询"  Enabled ="false"  Width ="50px"
                        Height ="20px"  OnClick ="btnSearch_Click"   />
                     < input  id ="btnAdd"  runat ="server"  type ="button"  value ="添加"  style ="width: 50px; height: 20px;"
                        class ="ClassBtn"  onclick ="return Add();"   />
                     < input  id ="btnEdit"  runat ="server"  type ="button"  value ="修改"  style ="width: 50px; height: 20px;"
                        class ="ClassBtn"  onclick ="return Edit();"   />
                     < asp:Button  ID ="btnDelete"  runat ="server"  Text ="删除"  Width ="50px"  Height ="20px"  OnClick ="btnDelete_Click"
                        OnClientClick ="javascript:return ( checkSelect() && confirm('警告：删除将无法恢复！\n确认删除吗？') );"   />
                     < asp:Button  ID ="btnPrint"  runat ="server"  Text ="打印"  Width ="50px"  Height ="20px"  OnClick ="btnToExcel_Click"   />
                     < asp:Button  ID ="btnOut"  runat ="server"  Text ="导出"  Width ="50px"  Height ="20px"  OnClick ="btnToExcel_Click"   />
                 </ td >
             </ tr >
         </ table >
         < asp:GridView  ID ="GridView1"  SkinID ="gvClass2"  runat ="server"  Width ="%"  DataKeyNames ="ID"
            AutoGenerateColumns ="False"  OnRowDataBound ="GridView1_RowDataBound"  OnDataBound ="GridView1_DataBound"
            AllowSorting ="True"  OnSorting ="GridView1_Sorting"  AllowPaging ="True"  PageSize =""
            OnPageIndexChanging ="GridView1_PageIndexChanging" >
             < PagerTemplate >
                 < table  width ="%" >
                     < tr >
                         < td  width ="%"  align ="left" >
                             < asp:Label  ID ="MessageLabel"  ForeColor ="Blue"  Text ="页码:"  runat ="server"   />
                             < asp:DropDownList  ID ="PageDropDownList"  AutoPostBack ="true"  OnSelectedIndexChanged ="PageDropDownList_SelectedIndexChanged"
                                runat ="server"   />
                             < asp:LinkButton  CommandName ="Page"  CommandArgument ="First"  ID ="linkBtnFirst"  runat ="server" > 首页 </ asp:LinkButton >
                             < asp:LinkButton  CommandName ="Page"  CommandArgument ="Prev"  ID ="linkBtnPrev"  runat ="server" > 上一页 </ asp:LinkButton >
                             < asp:LinkButton  CommandName ="Page"  CommandArgument ="Next"  ID ="linkBtnNext"  runat ="server" > 下一页 </ asp:LinkButton >
                             < asp:LinkButton  CommandName ="Page"  CommandArgument ="Last"  ID ="linkBtnLast"  runat ="server" > 尾页 </ asp:LinkButton >
                         </ td >
                         < td  width ="%"  align ="right" >
                             < asp:Label  ID ="CurrentPageLabel"  ForeColor ="Blue"  runat ="server"   />
                         </ td >
                     </ tr >
                 </ table >
             </ PagerTemplate >
             < Columns >
                 < asp:TemplateField >
                     < ItemTemplate >
                         < input  id ="check"  runat ="server"  type ="checkbox"  value ='<%#  Eval("ID") % > ' />
                     </ ItemTemplate >
                     < HeaderTemplate >
                         < input  id ="checkAll"  title ="全选"  onclick ="javascript:CheckAll(this);"  runat ="server"
                            type ="checkbox"   />
                     </ HeaderTemplate >
                     < ItemStyle  Width ="5%"   />
                 </ asp:TemplateField >
                 < asp:BoundField  DataField ="Name"  HeaderText ="名称"  SortExpression ="Name" >
                     < ItemStyle  Width ="%"  HorizontalAlign ="Left"   />
                 </ asp:BoundField >
                 < asp:BoundField  DataField ="Description"  HeaderText ="描述"  SortExpression ="Description" >
                     < ItemStyle  HorizontalAlign ="Left"   />
                 </ asp:BoundField >
             </ Columns >
         </ asp:GridView >
         < asp:Label  ID ="Message"  runat ="server"  ForeColor ="Red" ></ asp:Label >
     </ form >
</ body >
</ html >

< script  language ="javascript" >
  function $(s){return document.getElementById(s);}
  function isNull(_sVal){return (_sVal == "" || _sVal == null || _sVal == "#ff0000");}
 //获取地址栏参数
  function GetURL(name)
 {
     var URLParams = new Array();
     var aParams = document.location.search.substr(1).split('&');
     for (i=0; i < aParams.length; i++)
     {
         var aParam = aParams[i].split('=');
         URLParams[aParam[0]] = aParam[1];
     }
     //取得传过来的name参数
     return URLParams[name];
 }
 
  var tgs;
  var tmp_background_val; 
  function tog(n,flags)
 { 
     if (tgs){
      tgs.style.background= tmp_background_val ; 
    } 
    n.style.background= '#99ccff' ;
    tmp_background_val=flags;
    tgs=n;
}

 function GetRowIndex(obj)
{
    $('<%=HiddenID.ClientID %>').value = obj;
}

 var HiddenID;
 function checkSelect()
{
    HiddenID=$('<%=HiddenID.ClientID %>').value;
    if(isNull(HiddenID))
    {
        alert("请选择一条记录!");
    }
    return !isNull(HiddenID);
}

 function CheckAll(spanChk)//CheckBox全选
{
    var oItem = spanChk.children;
    var theBox=(spanChk.type=="checkbox")?spanChk:spanChk.children.item[0];
    xState=theBox.checked;
    elm=theBox.form.elements;
    for(i=0;i<elm.length;i++)
    if(elm[i].type=="checkbox" && elm[i].id!=theBox.id)
    {
        if(elm[i].checked!=xState)
        elm[i].click();
    }
}
//---------------------------------------------------------
//查看
 function View()
{
    if(checkSelect())
    {
        var url="PM_BaseEdit.aspx?ID=" + HiddenID + "&tableName=" + GetURL("tableName");
        winOpen(url);
    }
}
//添加
 function Add()
{
    var url="PM_BaseAdd.aspx?tableName=" + GetURL("tableName");
    winOpen(url);
}
//编辑
 function Edit()
{
    if(checkSelect())
    {
        var url="PM_BaseEdit.aspx?ID=" + HiddenID + "&tableName=" + GetURL("tableName");
        winOpen(url);
    }
}

//弹出打开新页面-------------------------------------------
 function winOpen(url)
{
    var sFeatures='height=, width=, top=, left=,toolbar=0, menubar=0, scrollbars=auto, resizable=1, location=0, status=0';
    window.open(url,"PM_Base",sFeatures);
}

 function showDialog(url)
{
    var sFeatures = "dialogHeight:400px;dialogWidth:500px;resizeable:no;help:no;status:no";
    var obj=showModalDialog(url,window,sFeatures); 
}
</ script >

PM_Base.aspx.cs

using  System;
using  System.Data;
using  System.Data.OleDb;
using  System.Data.SqlClient;
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;
using  System.Web.Caching;
using  Framework.Components;

public   partial   class  PM_Base : Framework.UI.PageBase
{
    Page事件#region Page事件
    MX.PM.BLL.Progress myBiz = new MX.PM.BLL.Progress();
    string tableName;

    protected void Page_Load(object sender, EventArgs e)
    {
        tableName = base.GetUrl("tableName");
        //首先要进行权限判断
        if (!string.IsNullOrEmpty(tableName))
        {
            if (!Page.IsPostBack)
            {
                if (!Framework.Globals.CurrentPrincipal.HasPermission((int)Framework.Helper.ProjectManage.BaseBrowse))
                {
                    Framework.AppException exception = new Framework.AppException("对不起,您无权操作此页面!");
                    GridView1.Visible = false;
                    btnView.Disabled = true;
                }
                if (!Framework.Globals.CurrentPrincipal.HasPermission((int)Framework.Helper.ProjectManage.BaseSelect))
                {
                    btnSearch.Enabled = false;
                    btnPrint.Enabled = false;
                    btnOut.Enabled = false;
                }
                if (!Framework.Globals.CurrentPrincipal.HasPermission((int)Framework.Helper.ProjectManage.BaseAdd))
                {
                    btnAdd.Disabled = true;
                }
                if (!Framework.Globals.CurrentPrincipal.HasPermission((int)Framework.Helper.ProjectManage.BaseUpdate))
                {
                    btnEdit.Disabled = true;
                }
                if (!Framework.Globals.CurrentPrincipal.HasPermission((int)Framework.Helper.ProjectManage.BaseDelete))
                {
                    btnDelete.Enabled = false;
                }
                // 在此处放置查询代码
                string strTableName = "PM_Progress";
                this.btnSearch.OnClientClick = "javascript:window.showModalDialog('../Tools/AjaxGeneralSearch/AjaxSeachPage.aspx?table=" + strTableName + "','','dialogWidth:500px; dialogHeight:400px; status:; help:; center:; scroll:; resizable:;');";
            }

            GetData();//重新获取操作后的数据源
            if (!Page.IsPostBack)
            {
                BindGrid();//绑定GridView,为删除服务
            }
        }
    }

    #endregion

    GridView#region GridView
    属性#region 属性
    /**//**/
    /**//// <summary>
    /// 获取或设置数据源
    /// </summary>
    public DataTable DataSource
    {
        get
        {
            if (ViewState["dataSource"] == null)
                return null;
            else
                return (DataTable)ViewState["dataSource"];
        }
        set
        {
            ViewState["dataSource"] = value;
        }
    }
    /**//**/
    /**//// <summary>
    /// 获取或设置排序方向
    /// </summary>
    public SortDirection Sort_Direction
    {
        get
        {
            if (ViewState["sortDirection"] == null)
                return SortDirection.Ascending;
            else
                return (SortDirection)ViewState["sortDirection"];
        }
        set
        {
            ViewState["sortDirection"] = value;
        }
    }
    /**//**/
    /**//// <summary>
    /// 获取或设置当前分页码
    /// </summary>
    public int CurrentPage
    {
        get
        {
            if (ViewState["CurrentPage"] == null)
                return;
            else
                return (int)ViewState["CurrentPage"];
        }
        set
        {
            ViewState["CurrentPage"] = value;
        }
    }
    #endregion

    数据绑定#region 数据绑定
    /**//**/
    /**//// <summary>
    /// 获取数据
    /// </summary>
    protected void GetData()
    {
        this.DataSource = myBiz.GetBase(tableName).Tables[]; ;
    }

    /**//**/
    /**//// <summary>
    /// GridView 数据绑定
    /// </summary>
    private void BindGrid()
    {
        Message.Text = "";
        GridView1.DataSource = this.DataSource;
        GridView1.DataBind();
        GridView1.PageIndex = CurrentPage;//设置当前页
    }

    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            System.Web.UI.HtmlControls.HtmlInputCheckBox check = (System.Web.UI.HtmlControls.HtmlInputCheckBox)e.Row.FindControl("check");
            string id = check.Value;

            if (e.Row.RowIndex %  != )
                e.Row.Attributes.Add("onclick", "GetRowIndex('" + id + "'),tog(this,'#EFF3FB')");
            else
                e.Row.Attributes.Add("onclick", "GetRowIndex('" + id + "'),tog(this,'#ffffff')");
        }
    }
    #endregion

    分页绑定#region 分页绑定
    protected void PageDropDownList_SelectedIndexChanged(Object sender, EventArgs e)
    {
        GridViewRow pagerRow = GridView1.BottomPagerRow;
        DropDownList pageList = (DropDownList)pagerRow.Cells[].FindControl("PageDropDownList");
        GridView1.PageIndex = pageList.SelectedIndex;
        this.CurrentPage = pageList.SelectedIndex;
        BindGrid();
    }

    protected void GridView1_DataBound(Object sender, EventArgs e)
    {
        if (this.DataSource.Rows.Count > )
        {
            GridViewRow pagerRow = GridView1.BottomPagerRow;
            LinkButton linkBtnFirst = (LinkButton)pagerRow.Cells[].FindControl("linkBtnFirst");
            LinkButton linkBtnPrev = (LinkButton)pagerRow.Cells[].FindControl("linkBtnPrev");
            LinkButton linkBtnNext = (LinkButton)pagerRow.Cells[].FindControl("linkBtnNext");
            LinkButton linkBtnLast = (LinkButton)pagerRow.Cells[].FindControl("linkBtnLast");
            if (GridView1.PageIndex == )
            {
                linkBtnFirst.Enabled = false;
                linkBtnPrev.Enabled = false;
            }
            else if (GridView1.PageIndex == GridView1.PageCount - )
            {
                linkBtnLast.Enabled = false;
                linkBtnNext.Enabled = false;
            }
            else if (GridView1.PageCount <= )
            {
                linkBtnFirst.Enabled = false;
                linkBtnPrev.Enabled = false;
                linkBtnNext.Enabled = false;
                linkBtnLast.Enabled = false;
            }
            DropDownList pageList = (DropDownList)pagerRow.Cells[].FindControl("PageDropDownList");
            Label pageLabel = (Label)pagerRow.Cells[].FindControl("CurrentPageLabel");
            if (pageList != null)
            {
                for (int i = ; i < GridView1.PageCount; i++)
                {
                    int pageNumber = i + ;
                    ListItem item = new ListItem(pageNumber.ToString() + "/" + GridView1.PageCount.ToString(), pageNumber.ToString());
                    if (i == GridView1.PageIndex)
                    {
                        item.Selected = true;
                    }
                    pageList.Items.Add(item);
                }
            }
            if (pageLabel != null)
            {
                int currentPage = GridView1.PageIndex + ;
                pageLabel.Text = "当前页： " + currentPage.ToString() +
                  " / " + GridView1.PageCount.ToString();
            }
        }
    }
    #endregion

    分页#region 分页
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        this.CurrentPage = e.NewPageIndex;//保存当前页码
        BindGrid();
    }
    #endregion

    排序#region 排序
    /**///// <summary>
    /// 排序
    /// </summary>
    protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
    {
        SortGridView(ref GridView1, this.DataSource, e);
    }
    /**//// <summary>
    /// 实现排序
    /// </summary>
    private void SortGridView(ref GridView gv, object dt, GridViewSortEventArgs e)
    {
        string sortDirection = "";
        string sortExpression = e.SortExpression;
        if (this.Sort_Direction == SortDirection.Ascending)
        {
            this.Sort_Direction = SortDirection.Descending;
            sortDirection = "DESC";
        }
        else
        {
            this.Sort_Direction = SortDirection.Ascending;
            sortDirection = "ASC";
        }
        DataView Source = new DataView((DataTable)dt);
        Source.Sort = e.SortExpression + " " + sortDirection;
        gv.DataSource = Source;
        gv.DataBind();
    }

    #endregion
    #endregion

    按钮事件#region 按钮事件
    查询#region 查询
    protected void btnSearch_Click(object sender, EventArgs e)
    {
        GetData();
        BindGrid();
    }
    #endregion

    删除#region 删除
    /**//// <summary>
    /// 删除，用循环得到用户选择的CheckBox
    /// </summary>
    protected void btnDelete_Click(object sender, EventArgs e)
    {
        Message.Text = "";
        string sID = "";
        for (int i = ; i < GridView1.Rows.Count; i++)
        {
            GridViewRow row = GridView1.Rows[i];
            System.Web.UI.HtmlControls.HtmlInputCheckBox check = (System.Web.UI.HtmlControls.HtmlInputCheckBox)row.FindControl("check");
            if (check.Checked)
            {
                sID += check.Value + ",";
            }
        }
        if (sID.Length > )
        {
            //MX.Sys.DAL.Log log = new MX.Sys.DAL.Log(this.UserInfo.UserName, "删除数据表" + tableName + ",sID=" + sID);
            myBiz.DeleteBase(tableName, sID);//截取结尾的逗号
            Message.Text = "删除成功!";
            GetData();
            BindGrid();
        }
        else
        {
            Message.Text = "删除失败,请勾选要删除项!";
        }
    }
    #endregion

    导出 打印#region 导出 打印
    public override void VerifyRenderingInServerForm(Control control)
    {
        // 为转 excel 出问题而加上的过程(一定加！！）// Confirms that an HtmlForm control is rendered for
    }

    protected void btnToExcel_Click(object sender, EventArgs e)
    {
        System.IO.StringWriter stringWrite = new System.IO.StringWriter();
        System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);

        GridView1.AllowPaging = false;//取消分页
        BindGrid();

        GridView1.RenderControl(htmlWrite);

        GridView1.AllowPaging = true;//恢复分页
        BindGrid();

        //---专用导出页面
        PrintInfo info = new PrintInfo();
        info.Title = "工程列表";
        info.Orientation = true;
        info.ShowTime = true;
        info.Text = stringWrite.ToString();
        ToPrint(info);
        //---
    }
    /**//// <summary>
    /// 打印
    /// </summary>
    private void ToPrint(PrintInfo info)
    {
        Session["ToExcel"] = info;//***用Session传递参数

        string strURL = "../Tools/WebPrint";
        string sFeatures = "height=, width=, top=, left=,toolbar=no, menubar=no, scrollbars=yes, resizable=no, location=no, status=";
        string js = "window.open('{}','print','{}');";
        js = string.Format(js, strURL, sFeatures);
        Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "print", js, true);
    }
    #endregion
    #endregion
}