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我在水晶报表中创建了一个@Month 作为参数名称，然后插入到报表标题部分。

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。我现有的代码如下

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();

我在哪里做错了？

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3 回答 3

1

嗨，我通过删除 Crystalreportviewer 的RefershReport() 方法解决了

我从以下位置找到：http ://www.it-sideways.com/2011/10/how-to-disable-parameter-prompt-for.html

于 2012-12-08T11:30:49.540 回答
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我在添加参数时也遇到了麻烦。这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();
于 2012-12-07T19:07:06.620 回答
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如果它不工作，它表明一个错字或什么的。尝试分析 rpt.ParameterFields（设置断点并观察）。你的参数名称正确吗？数据类型？

于 2012-12-07T17:50:20.800 回答