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ASP.NET2.0/3.5/4.0水晶报表创建以及调用方法
1. 创建CrystalReport(网站中添加新项CrystalReport,或者单独开发水晶报表)放到指定目录
2、使用向导创建报表(如何创建请参考其它资料)Suppliers.rpt
3、VS.NET2005/2008/2010布局报表,添加删除字段.
4、回到页面,选择控件CrystalReportViewer将其放到页面上。
5、设置CrystalReportViewer1数据源(介绍两种方法)。
引入
using CrystalDecisions.Shared;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.ReportSource;
第一种: 拉模式
<CR:CrystalReportViewer ID="CrystalReportViewer1" runat="server"
AutoDataBind="True" GroupTreeImagesFolderUrl="" Height="1202px"
ReportSourceID="CrystalReportSource1" ToolbarImagesFolderUrl=""
ToolPanelWidth="200px" Width="1104px" ToolPanelView="None" />
<CR:CrystalReportSource ID="CrystalReportSource1" runat="server">
<Report FileName="..\..\ERP\Reports\ZMQuotation.rpt">
</Report>
</CR:CrystalReportSource>
CS:
CrystalReportSource1.ReportDocument.SetDatabaseLogon(PublicVar.ShatdbID, PublicVar.shatdbPW, PublicVar.ShatdbDS, PublicVar.Shatdb);//取得公共变量
CrystalReportSource1.ReportDocument.SetParameterValue("@ItemP", "no");
CrystalReportSource1.ReportDocument.SetParameterValue("@descriptionP", "no");
CrystalReportViewer1.DataBind();
注释:PublicVar.ShatdbID 用户名, PublicVar.shatdbPW 密码, PublicVar.ShatdbDS 数据源(机器名或者IP), PublicVar.Shatdb 数据库名
CrystalReportSource1.ReportDocument.SetParameterValue("@ItemP", "no"); 报表参数
这种方法通常第一次登陆的时候就需要给定一个默认参数(如果带参数)
第二种:推模式
string DBConfig_sql = PublicVar.strCon;
DataSet ds = new DataSet();
SqlConnection sqlCon = new SqlConnection(DBConfig_sql);
SqlCommand sqlCmd = new SqlCommand(sql, sqlCon);
SqlDataAdapter sqlAd = new SqlDataAdapter();
sqlAd.SelectCommand = sqlCmd;
sqlAd.Fill(ds, "sql");
//如果绑定报表
//注意此处必需指明Dataset中的表的名称,否则会提示“您请求的报表需要更多信息.”
CrystalReportSource1.ReportDocument.SetDataSource(ds.Tables["sql"]);
CrystalReportViewer1.ReportSource = CrystalReportSource1;
CrystalReportViewer1.DataBind();
//未绑定
String path = Server.MapPath("HandQty.rpt");
CrystalReportViewer1.Load(path);
CrystalReportSource1.ReportDocument.SetDataSource(ds.Tables["sql"]);
CrystalReportViewer1.ReportSource = CrystalReportSource1;
CrystalReportViewer1.DataBind();
存储过程:
ReportDocument myReport = new ReportDocument();
SqlParameter[] parms = new SqlParameter[1];
parms[0] = new SqlParameter("@id", SqlDbType.Int);
parms[0].Value = id;
DataSet ds = new DataSet();
ds = DataAccess.DataAccessSHDB.GetTableByStore("project", parms).DataSet;
CrystalDecisions.CrystalReports.Engine.ReportDocument doc = new CrystalDecisions.CrystalReports.Engine.ReportDocument();
string reportPath = Server.MapPath("..//Reports//project.rpt");
//doc.Load(@"C:/test/1.rpt");
doc.Load(reportPath);
doc.SetDataSource(ds.Tables[0]);
CrystalReportViewer1.ReportSource = doc;
CrystalReportViewer1.DataBind();
如果有时候无法刷新数据:添加如下代码即可
CrystalReportSource1.ReportDocument.SetParameterValue("@ItemP", "no");
CrystalReportSource1.ReportDocument.SetParameterValue("@descriptionP", "no");
CrystalReportViewer1.DataBind();
第三种方式:
直接show在页面,不含水晶报表工具栏;
private void Print()
{
SampleRequest sr = new SampleRequest();
sr.TaskCode = taskcode;
DataSet ds = new DataSet();
ds = sr.SampleRequestDetail();
if (ds != null)
{
CrystalDecisions.CrystalReports.Engine.ReportDocument doc = new CrystalDecisions.CrystalReports.Engine.ReportDocument();
string reportPath = Server.MapPath("..\\..\\ERP\\Reports\\SampleRequest.rpt");
doc.Load(reportPath);
doc.SetDataSource(ds.Tables[0]);
CrystalReportViewer1.ReportSource = doc;
CrystalReportViewer1.DataBind();
string filetype = "";
filetype = "PDF";
string contenttype = "";
//string myfilename = Request.MapPath(".\\") + Session.SessionID + "." + filetype;//目录地址 注意反义字符
string myfilename = "E:\\Report\\SAL\\" + "SampleRequest" + Baseclass.getLongData().ToString() + "." + filetype;
CrystalDecisions.Shared.DiskFileDestinationOptions mydiskoptions = new CrystalDecisions.Shared.DiskFileDestinationOptions();
mydiskoptions.DiskFileName = myfilename;
CrystalDecisions.Shared.ExportOptions myExportOptions = new ExportOptions();//oCR.ExportOptions;
myExportOptions.DestinationOptions = mydiskoptions;
myExportOptions.ExportDestinationType = CrystalDecisions.Shared.ExportDestinationType.DiskFile;
contenttype = "application/pdf";
myExportOptions.ExportFormatType = CrystalDecisions.Shared.ExportFormatType.PortableDocFormat;
doc.Export(myExportOptions); //输出报表 到服务器端的制定路径
Response.ClearContent(); //清空页面
Response.ClearHeaders();
Response.ContentType = contenttype;
Response.WriteFile(myfilename);//直接写入页面,页面平铺 可实现在线阅读功能
Response.Flush();
Response.Close();
}
else
{
JScript.Alert("没有找到记录", this.Page);
}
}