asp.net 水晶报表 参数 vb.net
为什么我的参数没有起到作用?每次出来的都是全部数据?
请帮忙,谢谢
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Private Sub test()
SqlStr = "SELECT * FROM D_Cass_Time_Fact "
Dim dsDataSet As New Dataset1
Dim objCon As New SqlConnection _
(ConfigurationSettings.AppSettings("strWebCon1"))
objCon.Open()
Dim objSqlCmd As New SqlDataAdapter(SqlStr, objCon)
objSqlCmd.Fill(dsDataSet, "D_Cass_Time_Fact")
Dim ListPDF As New CrystalReport1
ListPDF.SetDataSource(dsDataSet)
//此处设置参数名为out1,CrystalReport1在参数字段处也建一个明为out1的参数
ListPDF.SetParameterValue("out1", Trim(Me.Drop_Koutei.SelectedItem.Text))
Dim outStream As Stream = ListPDF.ExportToStream(CrystalDecisions.[Shared].ExportFormatType.PortableDocFormat)
Dim buf(outStream.Length) As Byte
outStream.Read(buf, 0, outStream.Length)
outStream.Close()
Response.ContentType = "application/pdf"
Response.AddHeader("Content-disposition", "attachment;filename=D-Cass070LIST.pdf")
Response.BinaryWrite(buf)
Response.End()
objCon.Close()
End Sub --------------------编程问答-------------------- 学习+友情UP
--------------------编程问答-------------------- 不会,帮顶
补充:.NET技术 , 图表区