I need help for calling a method in a presentation Layer using IdataReader and display it on a DridView

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SQL

Dim objs As New Emis_Business_Layer.Districts

      Dim District As String
      Dim Ownership As String = DropDownList5.SelectedItem.Text
      Dim emiscode As String = txtemiscode.Text


      If District = objs._Get_General_Info_All(DropDownList_District.SelectedItem.Text, DropDownList5.SelectedItem.Text, txtemiscode.Text).Count > Then

          GridView1.DataSource = objs.Get_School_Info(DropDownList_District.SelectedItem.Text)
          GridView1.DataBind()

          Exit Sub

      End If

      If objs._Get_General_Info(DropDownList_District.SelectedItem.Text, Ownership).Count > 0 Then
          GridView1.DataSource = objs.Get_School_Info(DropDownList_District.SelectedItem.Text)
          GridView1.DataBind()
          Exit Sub

      End If

      If objs.Get_School_Emiscode(emiscode).Count > 0 Then

          GridView1.DataSource = objs.Get_School_Info(DropDownList_District.SelectedItem.Text)
          GridView1.DataBind()
          Exit Sub
      Else
          lblerror.Text = "Information those not match"

      End If

Posted 5-Sep-11 7:05am

zamani2

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Comments

Sergey Alexandrovich Kryukov 5-Sep-11 13:54pm

What is your question? Your problem?
--SA

zamani2 5-Sep-11 14:13pm

oh! my problem is that the if statement gives me an error when i run it.If you see line5 of code(if statement) it not correct.. so I want it to return something and put it in a gridView.. I hope you will help me

Prerak Patel 6-Sep-11 0:10am

'An error' is too less to say. Can you tell us what exact error it gives?

Al Moje 5-Sep-11 21:38pm

Could you see us your client code? rather the grid columns so that we could analyst what is your problem?

zamani2 6-Sep-11 6:40am

@ Al which client code you talking about?
Because the code I gave,it on a presentation(Client code I think)

zamani2 6-Sep-11 6:42am

The eror says"Object was not set as instance of an object"

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Prerak Patel · Answer 1 · 2011-09-05T18:12:00

Solution 1

I can see a missing value (> 0) in your code. It won't even compile. It could be a typo. Just check it.

SQL

If District = objs._Get_General_Info_All(DropDownList_District.SelectedItem.Text, DropDownList5.SelectedItem.Text, txtemiscode.Text).Count > 0 Then

Posted 5-Sep-11 18:12pm

Prerak Patel

v2

Comments

zamani2 6-Sep-11 6:42am

tanx for that but still has a problem