Excel VBA: validate data written to sql server

Wannes_Tal 

In VBA, you can validate data written to a SQL Server database by checking the status of the data insertion/update operation and handling any potential errors. The key is to use error handling to capture any issues and provide feedback to the user.

Here's a basic structure for performing data validation and error handling in VBA:

vba code:

Sub WriteDataToSQLServer()
    On Error GoTo ErrorHandler

    ' Your data insertion code here

    ' If data insertion was successful, you can inform the user
    MsgBox "Data written to the SQL Server successfully."

Exit Sub

ErrorHandler:
    ' Handle the error
    MsgBox "Data insertion failed. Reason: " & Err.Description
    ' You can log the error for further analysis

End Sub

Here's a breakdown of what's happening in the code:

1. The On Error GoTo ErrorHandler statement directs the code to jump to the ErrorHandler label when an error occurs.
2. Inside your data insertion code (not shown in the sample), you would typically use ADODB to connect to the SQL Server and execute SQL statements to insert/update data. If there's an issue with your SQL operation (e.g., syntax error, primary key violation), an error will be raised.
3. If the operation is successful, it will reach the Exit Sub statement and display a success message to the user.
4. If an error occurs, it jumps to the ErrorHandler section, where you can inform the user that data insertion failed and provide the reason for the failure using Err.Description. You can also log the error information for further analysis or troubleshooting.

It's important to have appropriate error handling code to make your application more robust and user-friendly. You can customize the error message and handling based on your specific needs.

Remember to replace the comment ' Your data insertion code here with your actual ADODB code for writing data to the SQL Server.

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