报表查看器设置参数iList参数错误 [英] Report viewer set Parameters iList parameters error
本文介绍了报表查看器设置参数iList参数错误的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
早上好
使用Visual Studio 2012 Ultimate和C#.NET 4.0.
Using Visual Studio 2012 Ultimate and C#.NET 4.0.
IList<Microsoft.Reporting.WinForms.ReportParameter> param = new List<Microsoft.Reporting.WinForms.ReportParameter>();
param = repsetup.NewReportSetup(
txtNewPart.Text.ToString(),
txtBatch.Text.ToString(),
txtLocation.Text.ToString(),
txtWheel.Text.ToString(),
txtGear.Text.ToString(),
txtLength.Text.ToString(),
txtFits.Text.ToString(),
txtNewBar.Text.ToString(),
txtNewBarNum.Text.ToString(),
txtABS.Text.ToString()
);
reportViewer1.LocalReport.SetParameters(new Microsoft.Reporting.WinForms.ReportParameter(param));
尝试设置报告参数时,它抱怨该列表. 该列表将填充到另一个表中,并返回一个列表.
When trying to set the report parameters it complains about the list. The list is populated in another table and returns a list.
Error 2 - Argument 1: cannot convert from 'System.Collections.Generic.IList<Microsoft.Reporting.WinForms.ReportParameter>' to 'string'
也是错误:
Error 1 - The best overloaded method match for 'Microsoft.Reporting.WinForms.ReportParameter.ReportParameter(string)' has some invalid arguments
如何在SetParameters
方法中使用IList
?
非常感谢
这是NewReportSetup
方法:
public IList<Microsoft.Reporting.WinForms.ReportParameter> NewReportSetup(string part, string batch, string locn, string wheel, string gear, string length,
string fits, string newbar, string newbarnum, string abs)
{
IList<Microsoft.Reporting.WinForms.ReportParameter> parameters = new List<Microsoft.Reporting.WinForms.ReportParameter>();
parameters.Add( new Microsoft.Reporting.WinForms.ReportParameter("paramPart", part));
parameters.Add( new Microsoft.Reporting.WinForms.ReportParameter("paramBatch", batch));
parameters.Add( new Microsoft.Reporting.WinForms.ReportParameter("paramLocn", locn));
parameters.Add( new Microsoft.Reporting.WinForms.ReportParameter("paramWheel", wheel));
parameters.Add( new Microsoft.Reporting.WinForms.ReportParameter("paramGear", gear));
parameters.Add( new Microsoft.Reporting.WinForms.ReportParameter("paramLength", length));
parameters.Add( new Microsoft.Reporting.WinForms.ReportParameter("paramABS", abs));
parameters.Add( new Microsoft.Reporting.WinForms.ReportParameter("paramBuyer", fits));
parameters.Add( new Microsoft.Reporting.WinForms.ReportParameter("paramBarCode", newbar));
parameters.Add( new Microsoft.Reporting.WinForms.ReportParameter("paramBartxt", newbarnum));
return parameters;
}
推荐答案
换句话说,将报告参数列表发送给此方法,而不是ReportParameter
的实例(您正尝试从列表中创建)的实例:
In other words send your list of report parameters to this method, not an instance of a ReportParameter
(which you're trying to create from your list):
reportViewer1.LocalReport.SetParameters(param);
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