GridView+连接水晶报表
日期：2014-05-20 浏览次数：21339 次
GridView+联接水晶报表
各位大虾,请帮个忙,我做了一个GridView显示一个表1中的数据,通过表1中的关键字GCRCLMLH,作为选择,通过水晶报表显示出表2和表3中的部门数据.其中表2和表3和表1都是通过关键字GCRCLMLH作为主外键的.可是现在我点选择,总是提示我水晶报表生成失败,不知是什么原因.
HTML
<asp:GridView ID="GridView1" OnPageIndexChanging="GridView1_PageIndexChanging"
runat="server" AutoGenerateColumns="False"
width="100%" EmptyDataText="没有符合查询条件的数据！" AllowPaging="True"
DataKeyNames="GCRCLMLH" onpageindexchanged="GridView1_PageIndexChanged"
onselectedindexchanging="GridView1_SelectedIndexChanging" >
<CR:CrystalReportSource ID="CrystalReportSource1" runat="server">
<Report FileName="CG.rpt">
<DataSources>
<CR:DataSourceRef DataSourceID="SqlDataSource1" />
</DataSources>
<Parameters>
<CR:ControlParameter ControlID="GridView1" ConvertEmptyStringToNull="False"
DefaultValue="" Name="newParameter1" PropertyName="SelectedValue"
ReportName="" />
</Parameters>
</Report>
</CR:CrystalReportSource>
C#
private void ConfigureCrystalReports()
{
ReportDocument myReport;
String cn = @"Data Source=127.0.0.1;Initial Catalog=wcexxku;User ID=sa1;Password=sa";
SqlDataAdapter sqlAdapt = new SqlDataAdapter();
SqlConnection conn = new SqlConnection(cn);
string sqlStr = "select HTXMB.[GCRCLMLH],CLB.*,CLCGB.* from HTXMB INNER JOIN CLB ON HTXMB.GCRCLMLH = CLB.GCRCLMLH INNER JOIN CLCGB ON CLB.GCRCLMLH=CLCGB.GCRCLMLH WHERE HTXMB.[GCRCLMLH]= " + GridView1.SelectedDataKey.Value.ToString();
sqlAdapt = new SqlDataAdapter(sqlStr, conn);
DataSet1 dt1 = new DataSet1();
sqlAdapt.Fill(dt1, "myTable");
myReport = new ReportDocument();
myReport.Load(Server.MapPath("../CG.rpt"));
myReport.SetDataSource(dt1);
CrystalReportViewer1.ReportSource = myReport;}
------解决方案--------------------
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>
<%@ Register Assembly="CrystalDecisions.Web, Version=10.2.3600.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"
Namespace="CrystalDecisions.Web" TagPrefix="CR" %>
<!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 runat="server">
<title>Untitled Page</title>
<link href="/aspnet_client/System_Web/2_0_50727/CrystalReportWebFormViewer3/css/default.css"
rel="stylesheet" type="text/css" />
<link href="/aspnet_client/System_Web/2_0_50727/CrystalReportWebFormViewer3/css/default.css"
rel="stylesheet" type="text/css" />
<link href="/aspnet_client/System_Web/2_0_50727/CrystalReportWebFormViewer3/css/default.css"
rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div>
各位大虾,请帮个忙,我做了一个GridView显示一个表1中的数据,通过表1中的关键字GCRCLMLH,作为选择,通过水晶报表显示出表2和表3中的部门数据.其中表2和表3和表1都是通过关键字GCRCLMLH作为主外键的.可是现在我点选择,总是提示我水晶报表生成失败,不知是什么原因.
HTML
<asp:GridView ID="GridView1" OnPageIndexChanging="GridView1_PageIndexChanging"
runat="server" AutoGenerateColumns="False"
width="100%" EmptyDataText="没有符合查询条件的数据！" AllowPaging="True"
DataKeyNames="GCRCLMLH" onpageindexchanged="GridView1_PageIndexChanged"
onselectedindexchanging="GridView1_SelectedIndexChanging" >
<CR:CrystalReportSource ID="CrystalReportSource1" runat="server">
<Report FileName="CG.rpt">
<DataSources>
<CR:DataSourceRef DataSourceID="SqlDataSource1" />
</DataSources>
<Parameters>
<CR:ControlParameter ControlID="GridView1" ConvertEmptyStringToNull="False"
DefaultValue="" Name="newParameter1" PropertyName="SelectedValue"
ReportName="" />
</Parameters>
</Report>
</CR:CrystalReportSource>
C#
private void ConfigureCrystalReports()
{
ReportDocument myReport;
String cn = @"Data Source=127.0.0.1;Initial Catalog=wcexxku;User ID=sa1;Password=sa";
SqlDataAdapter sqlAdapt = new SqlDataAdapter();
SqlConnection conn = new SqlConnection(cn);
string sqlStr = "select HTXMB.[GCRCLMLH],CLB.*,CLCGB.* from HTXMB INNER JOIN CLB ON HTXMB.GCRCLMLH = CLB.GCRCLMLH INNER JOIN CLCGB ON CLB.GCRCLMLH=CLCGB.GCRCLMLH WHERE HTXMB.[GCRCLMLH]= " + GridView1.SelectedDataKey.Value.ToString();
sqlAdapt = new SqlDataAdapter(sqlStr, conn);
DataSet1 dt1 = new DataSet1();
sqlAdapt.Fill(dt1, "myTable");
myReport = new ReportDocument();
myReport.Load(Server.MapPath("../CG.rpt"));
myReport.SetDataSource(dt1);
CrystalReportViewer1.ReportSource = myReport;}
------解决方案--------------------
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>
<%@ Register Assembly="CrystalDecisions.Web, Version=10.2.3600.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"
Namespace="CrystalDecisions.Web" TagPrefix="CR" %>
<!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 runat="server">
<title>Untitled Page</title>
<link href="/aspnet_client/System_Web/2_0_50727/CrystalReportWebFormViewer3/css/default.css"
rel="stylesheet" type="text/css" />
<link href="/aspnet_client/System_Web/2_0_50727/CrystalReportWebFormViewer3/css/default.css"
rel="stylesheet" type="text/css" />
<link href="/aspnet_client/System_Web/2_0_50727/CrystalReportWebFormViewer3/css/default.css"
rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div>
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