Question

我在crystal report中创建了一个@Month作为参数名称，只是插入到报告标题部分。

当我运行报告时，它总是通过显示一个框来询问参数。我如何通过代码。我现有的代码在

之下

MyReport rpt = new MyReport();
var srcData = ; //here i added my LINQ statement to select the data
rpt.SetDataSource(srcData);
ParameterDiscreteValue pdValue = new ParameterDiscreteValue();
pdValue.Value = combo2.SelectedValue;
rpt.ParameterFields["@Month"].CurrentValues.Add(pdValue);
this.ReportViewer1.ReportSource = rpt;
this.ReportViewer1.RefreshReport();

我犯了哪个错误？

Answer 1

您好我只是删除了crystalreportviewer的RefershReport（）方法

我发现：http://www.it-sideways.com/2011/10/how-to-disable-parameter-prompt-for.html

Answer 2

如果它不起作用，则表示拼写错误或其他内容。尝试分析rpt.ParameterFields（设置断点并观察）。你有参数名称是否正确？数据类型？

Answer 3

我也无法添加参数。以下是我工作的一个例子：

string ponumber = Request.QueryString["ponumber"].ToString();
string receiptno = Request.QueryString["receiptno"].ToString();

    // Put Away Report

    CrystalReportSource CrystalReportSource1 = new CrystalReportSource();
    CrystalReportViewer CrystalReportViewer1 = new CrystalReportViewer();

    CrystalReportViewer1.ReportSource = CrystalReportSource1;
    CrystalReportViewer1.EnableParameterPrompt = false;
    CrystalReportSource1.Report.FileName = "Report3.rpt";
    CrystalReportSource1.EnableCaching = false;

    // This will set the values of my two parameters in the report
    CrystalReportSource1.ReportDocument.SetParameterValue(0, ponumber);
    CrystalReportSource1.ReportDocument.SetParameterValue(1, receiptno);



    TableLogOnInfo logOnInfo = new TableLogOnInfo();

    logOnInfo.ConnectionInfo.ServerName = ConfigurationManager.AppSettings["WarehouseReportServerName"];
    logOnInfo.ConnectionInfo.DatabaseName = ConfigurationManager.AppSettings["WarehouseReportDatabaseName"];
    logOnInfo.ConnectionInfo.UserID = ConfigurationManager.AppSettings["WarehouseReportUserID"];
    logOnInfo.ConnectionInfo.Password = ConfigurationManager.AppSettings["WarehouseReportPassword"];

    TableLogOnInfos infos = new TableLogOnInfos();
    infos.Add(logOnInfo);
    CrystalReportViewer1.LogOnInfo = infos;

    maindiv.Controls.Add(CrystalReportSource1);
    maindiv.Controls.Add(CrystalReportViewer1);


    CrystalReportViewer1.DataBind();

Crystal Report的参数

3 个答案: