Update Excel Spreadsheet where value is blank not working

Hi,

The code below does not work... How to I check if Payer Claim Number is blank?   It works if I add a real value but that's the problem i'm facing.

Thanks
~j

        Dim path = "C:\Users\A303375\cc\ICD10\files\Sample Alternative Approach ICD10 Claims Data_UW_BACKUP.xlsx" '"c:\users\a303375\Desktop\Book1.xlsx"
        Dim connStr As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties=Excel 12.0;"
        Try
            Dim MyConnection As System.Data.OleDb.OleDbConnection
            Dim myCommand As New System.Data.OleDb.OleDbCommand
            Dim sql As String

            MyConnection = New System.Data.OleDb.OleDbConnection(connStr)
            MyConnection.Open()
            myCommand.Connection = MyConnection
            'sql = "Update [Sheet1$] set [C3] = 'New Name' where id=1"
            sql = "Update [ICD10 Data$] set [Result] = 'Incomplete' WHERE [Payer Claim Number]=''"

            myCommand.CommandText = sql
            myCommand.ExecuteNonQuery()
            MyConnection.Close()
        Catch ex As Exception
            MsgBox(ex.ToString)
        End Try

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prositAsked:
Who is Participating?
 
aikimarkConnect With a Mentor Commented:
Try
WHERE [Payer Claim Number] Is Null

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prositAuthor Commented:
I had tried "= Null"...

"IS NULL" was the difference...  ugh...

thanks

~j
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