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    GridView中CheckBox实现跨页面多选

    2018-04-03 21:36:24 次阅读 稿源:互联网
    零七广告

      烈火网(LieHuo.Net)教程 GridView中CheckBox实现跨页面多选,请看源码。

    以下为引用的内容:

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="KSSelectOpen.aspx.cs" Inherits="Admin_KSSelectOpen" %>
    <%@ Register Src="UserCheck.ascx" TagName="UserCheck" TagPrefix="uc1" %>
    <html>
    <head id="id_head" runat="server" >
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
    <LINK href="./common/css.css" type="text/css" rel="stylesheet">
    <script>
    function AddRemoveValues(oChk)
    {
    //在处理这个地方需要注意的是:你保存的值应该具有唯一性,这样才能不会替换错误的项。

    if(oChk.checked)
    {
    form1.txtId.value += "," + oChk.value;
    }
    else
    {
    form1.txtId.value = form1.txtId.value.replace("," + oChk.value,"");
    }

    var n=0;
    if (form1.txtCount.value != "")
    {
    n = parseFloat(form1.txtCount.value); //转为Float类型
    }
    if(oChk.checked)
    {
    n++;
    }
    else
    {
    n--;
    }
    if (n>0)
    form1.txtCount.value = n;
    else
    form1.txtCount.value = "";
    }
    </script>
    </head>
    <body style="overflow:scroll">
    <form id="form1" runat="server">
    <table width="100%" border="0" cellspacing="0" cellpadding="0">
    <tr>
    <td width="240" height="24" class="borleft1 bortop1 borbottom MainTitle_bg_2 MainTitle_Font_1">
    <img src="./img/c20.gif" hspace="8"/>当前位置:题库试题列表
    </td>
    <td class="bor1 MainTitle_bg_1">&nbsp;
    ·关键字:
    <asp:TextBox ID="TextBox1" runat="server" widht="200"/>
    <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="查询" />
    <asp:Label ID="lblCount" runat="server"/></td>
    </tr>
    </table>
    <table width="100%" height="450" border="0" cellspacing="0" cellpadding="0">
    <tr>
    <td width="100%" valign="top">
    <table width="100%" border="0" cellspacing="0" cellpadding="0" class="bor2" >
    <tr>
    <td class="First_bg_1 First_font5" height="24">
    共选了:<INPUT id="txtCount" name="txtCount" style="width=30;" class="font_orange_2_XH MainTitle_bg_2" readonly="readonly" runat="server">个
    <INPUT id="txtId" name="txtId" style="width=600;" readonly="readonly" class="font_blue_common_1 MainTitle_bg_2" runat="server">
    </td>
    <td class="First_bg_1 First_font5" align="right">
    <ASP:BUTTON id="btnOK" runat="server" text=" 完 成 " OnClick="btnOK_Click"/>
    </td>
    </tr>
    <tr>
    <td class ="font_orange_1" colspan="2" align="right"><asp:Label ID="lblMsg" runat="server" ForeColor="Red"/>提示:可以跨行多选,选完后点击完成返回.</td>
    </tr>
    <tr>
    <td width="99%" valign="top" colspan="2">
    <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" width="100%" border="0" cellspacing="1" cellpadding="2" class=" MainTitle_bg_3" OnRowCreated="GridView1_RowCreated" OnRowDataBound="GridView1_RowDataBound" AllowPaging="True" OnPageIndexChanging="GridView1_PageIndexChanging" PageSize="60" DataKeyNames="ID" AllowSorting="True" OnSorting="GridView1_Sorting">
    <Columns>
    <asp:BoundField DataField="id" HeaderText="ID" SortExpression="ID">
    <HeaderStyle HorizontalAlign="Center"/>
    <ItemStyle HorizontalAlign="Center" Width="60px" />
    </asp:BoundField>
    <asp:TemplateField HeaderText="试题内容"><!--代码来自烈火LiEhuo.NeT--->
    <HeaderStyle HorizontalAlign="Center" />
    <ItemTemplate>
    <asp:Literal Text='<%#GetClientVisitInfoShowAnchorStr(DataBinder.Eval(Container.DataItem, "id"))%>' runat="server" ID="TitleShow" />
    </ItemTemplate>
    </asp:TemplateField>
    <asp:TemplateField>
    <HeaderStyle HorizontalAlign="center"/>
    <ItemStyle Width="60" HorizontalAlign="Center"/>
    <HeaderTemplate>
    请选择
    </HeaderTemplate>
    <ItemTemplate>
    <input type="checkbox" id="cbSelect" name="cbSelect" value='<%#Eval("ID")%>' runat="server" onclick="AddRemoveValues(this)"/>
    </ItemTemplate>
    </asp:TemplateField>
    </Columns>
    <PagerSettings Mode="NumericFirstLast" />
    <PagerStyle Height="17px" HorizontalAlign="Right" Font-Size="12pt" />
    </asp:GridView>
    </td>
    </tr>
    </table>
    </td>
    </tr>
    </table>
    <uc1:UserCheck ID="UserCheck1" runat="server" />
    </form>
    </body>
    </html>

    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;

    public partial class Admin_KSSelectOpen : System.Web.UI.Page
    {
    string _sBookID, _TypeID;
    protected void Page_Load(object sender, EventArgs e)
    {
    Page.MaintainScrollPositionOnPostBack = true;

    _sBookID = Request.QueryString["BookID"];
    _TypeID = Request.QueryString["TypeID"];

    if (!IsPostBack)
    {
    ViewState["SortOrder"] = "id";
    ViewState["OrderDire"] = "asc";
    GridBind();
    lblMsg.Text = "";
    //lblMsg.Text = "<script>window.opener.document.Form1.all.txtAccepterId.value = window.document.Form1.all.txtId.value ;window.close();</script>";
    }
    }
    protected void GridBind()
    {
    DataSet ds = classFun.Fun_QusetionsList_Select(_sBookID, _TypeID, TextBox1.Text);
    DataView view = ds.Tables[0].DefaultView;

    string sort = (string)ViewState["SortOrder"] + " " + (string)ViewState["OrderDire"];
    view.Sort = sort;

    GridView1.DataSource = view;
    GridView1.DataBind();
    lblCount.Text = "共有 " + ds.Tables[0].Rows.Count.ToString() + " 条记录.";

    ds.Dispose();
    view.Dispose();
    }
    protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
    {
    string sortExp = e.SortExpression.ToString();
    if (ViewState["SortOrder"].ToString() == sortExp)
    {
    if ((string)ViewState["OrderDire"] == "DESC")
    {
    ViewState["OrderDire"] = "ASC";
    }
    else
    {
    ViewState["OrderDire"] = "DESC";
    }
    }
    else
    {
    ViewState["SortOrder"] = e.SortExpression;
    }
    GridView1.PageIndex = 0;
    GridBind();
    }
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
    if (e.Row.RowType == DataControlRowType.DataRow) //普通行 liehuo.net
    {
    ClassFunCommon.Fun_GVLineChangeColor(e, "#DEEAFC"); //鼠标颜色
    //if (txtId.Value.IndexOf(((Literal)e.Row.Cells[1].FindControl("TitleShow")).Text) >= 0)
    //{
    // HtmlInputCheckBox ChkSelected = (HtmlInputCheckBox)(e.Row.Cells[2].FindControl("cbSelect"));
    // ChkSelected.Checked = true;
    //}
    string sBookID = txtId.Attributes["value"];
    if (sBookID != "" || sBookID != null)
    {
    sBookID = sBookID.Substring(1, sBookID.Length - 1);
    string[] strtemp = sBookID.Split(',');
    foreach (string str in strtemp)
    {
    HtmlInputCheckBox ChkSelected = (HtmlInputCheckBox)(e.Row.Cells[2].FindControl("cbSelect"));
    if (str == ChkSelected.Value)
    {
    ChkSelected.Checked = true;
    }
    }
    }
    }
    }
    protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
    {
    if (e.Row.RowType == DataControlRowType.Header) //标题
    e.Row.Attributes.Add("style", "background:#F3F9FF;color:#336799");
    else if (e.Row.RowType == DataControlRowType.Pager) //分页
    e.Row.Attributes.Add("style", "background:#F3F9FF;color:#336799");
    else if (e.Row.RowType == DataControlRowType.DataRow) //普通行
    {
    e.Row.Attributes.Add("style", "background:#FFF");
    if (e.Row.RowState == DataControlRowState.Alternate) //交替行
    e.Row.Attributes.Add("style", "background:#F7F9FD");
    }
    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
    GridView1.PageIndex = e.NewPageIndex;
    GridBind();
    }
    public string GetClientVisitInfoShowAnchorStr(object ID)
    {
    string strUrl = "QuestionsDetails.aspx?ID=" + ID + "";
    string AnchorStr = "<a href=" + strUrl + " target=_blank>" + HttpUtility.HtmlDecode(Eval("Questions").ToString()) + "</a>";
    return AnchorStr;
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
    GridBind();
    }
    protected void ddlBook_SelectedIndexChanged(object sender, EventArgs e)
    {
    GridBind();
    }
    protected void ddlType_SelectedIndexChanged(object sender, EventArgs e)
    {
    GridBind();
    }
    protected void btnOK_Click(object sender, EventArgs e)
    {
    //为隐藏控件txtID赋值 liehuo.net
    string sBookID = txtId.Attributes["value"];
    if (sBookID != "" || sBookID != null)
    {
    try
    {
    txtId.Attributes["value"] = sBookID.Substring(1, sBookID.Length - 1);
    }
    catch
    {
    }
    }
    //txtId.Attributes["value"] = GetBookID();
    //下面部分给打开本窗口的窗口中控件赋值
    lblMsg.Text = "<script>";
    lblMsg.Text += "window.opener.document.form1.all." + Request["getUser"] + "txtAccepterId" + _TypeID + ".value = window.document.form1.all.txtId.value ;";
    lblMsg.Text += "window.close();";
    lblMsg.Text += "</script>";
    }
    }

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