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  • object reference not set to an instance of an object

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    Share With Friends (Updated 6-8-2010)
  • Article ID:
    7267
  • Date Created
    Tuesday, August 1, 2023
  • This Article Has been Viewed
    639 times
  • Short Desc
    If the sqlcommand name is not the same for the parameters you will receive the following error, 'object reference not set to an instance of an object'.
  • Details
    If the sqlcommand name is not the same for the parameters you will receive the following error.

     
    object reference not set to an instance of an object
  • Recreate Issue
    The following command will cause this issue.

    Dim chTable As New SqlCommand("SELECT top 1 ISID from Table", con)
    chOneTable.Parameters.Add(New SqlParameter("@ID", theID))

    As you can see above, the chOneTable from the bottom is not the same as the top, chTable.
  • Resolve Issue
    To correct this issue we need to make sure our SQL Command is the same.

    Dim chTable As New SqlCommand("SELECT top 1 ISID from Table", con)
    chTable.Parameters.Add(New SqlParameter("@ID", theID))

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