Microsoft.Reporting.WinForms.Local VB.Net 2010 ProcessingException 未处理 Message=本地报告处理期间发生错误

Question

我有这个错误 VB.Net 2010

Microsoft.Reporting.WinForms.LocalProcessingException 未处理 Message=处理本地报告时发生错误。

Imports Microsoft.Reporting.WinForms

Public Class General_cousre_1_Degrees_One

Private Sub General_cousre_1_Degrees_One_FormClosed(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosedEventArgs) Handles Me.FormClosed
    Me.ReportViewer1.LocalReport.ReleaseSandboxAppDomain()

End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

    Dim para1 As New ReportParameter("ReportParameter1", St_Num.Text)


    Me.General_Course_1_TableAdapter_One.Fill(Me.DATABASEDataSet.General_Course_1_One, St_Num.Text)

    Me.ReportViewer1.LocalReport.SetParameters(New ReportParameter() {para1})

    Me.ReportViewer1.RefreshReport()


End Sub

Answer 1

谢谢我已经解决了错误

ReportViewer 为空

我填写了报表数据源和报表数据实例

报表查看器

1- 选择 ReportViewer 任务

2- 选择数据源

3-填写报表数据源

4-填写报表数据实例

Microsoft.Reporting.WinForms.Local VB.Net 2010 ProcessingException 未处理 Message=本地报告处理期间发生错误

Microsoft.Reporting.WinForms.Local VB.Net 2010 ProcessingException was unhandled Message=An error occurred during local report processing

.net

vb.net-2010