Crystal reports VB.net中带datatable的Crystal报表
我在vb.net项目中使用crystal report。我正在使用visual studio 2010、sql Server 2008和SAP crystal report。有一个错误我无法克服/解决。以下是我的代码:Crystal reports VB.net中带datatable的Crystal报表,crystal-reports,Crystal Reports,我在vb.net项目中使用crystal report。我正在使用visual studio 2010、sql Server 2008和SAP crystal report。有一个错误我无法克服/解决。以下是我的代码: Dim database As New Database Dim dr As DataRow Dim dt As Data.DataTable Dim report As New CrystalReportChalan Dim query1 As String
Dim database As New Database
Dim dr As DataRow
Dim dt As Data.DataTable
Dim report As New CrystalReportChalan
Dim query1 As String
Try
query1 = "select per_name,f_name,per_address,rem_amount from person_info "
database.creatConn()
dt = database.getDS(query1, "person_info")
'dr = dt.Rows(0)
MessageBox.Show(dt.Rows.Count) // Here the no of rows displayed
report.SetDataSource(dt) //Error 'Report has no table'
CrystalReportViewer1.ReportSource = report
CrystalReportViewer1.Refresh()
Catch ex As Exception
MessageBox.Show("Error: " & ex.Message)
End Try
- 数据库连接有一个单独的类
- 该类具有从数据库获取数据的函数