DataSource is Nothing (Error)

[Sep410]

Hi All,
This is my code:

 If dgTransaction.DataSource.Equals(Nothing) Then
            Dim i As Integer
            For i = 0 To dgTransaction.Rows.Count - 1
                dt.Rows.Add(dgTransaction.Rows(i))
            Next
 
        End If

and I get this error:
Object reference not set to an instance of an object.

I can see in Watch window that dgTransaction.DataSource=Nothing. what should I do?

[Curtis Rutland]

Try:

If dgTransaction.DataSource = Nothing Then

Also, I've had to add code tags to several of your posts. Please use the # button in the editor to put CODE tags around your code snippets.

Mod.

[Sep410]

I am so sorry for the tags.Thanks for your help.

[Sep410]

In the same code :

If dgTransaction.DataSource = Nothing Then
            Dim i As Integer
            Dim j As Integer
            For i = 0 To dgTransaction.Rows.Count - 1
                Dim temp(23) As Object
                For j = 0 To 23
                    temp(j) = dgTransaction.Rows(i).Cells(j).Value
                Next
                dt.Rows.Add(temp)  *****
           Next

I get this error on***** line:
Object reference not set to an instance of an object.
What is wrong here?

[Curtis Rutland]

Perhaps dgTransaction = Nothing

Check for that first.

[Sep410]

I know it has 2 rows.

[Curtis Rutland]

Well, you can take the easy way out, and wrap the code in a Try Catch block. Handle that specific exception like you would handle the if statement evaluating to true.

But there's something that's null (nothing) there that's causing the problem. You should really try to find it.