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AVEVA™ Historian

Execute

  • Last UpdatedNov 17, 2021
  • 1 minute read

The Execute method executes the SQL query defined in the SQLString property.

Syntax

[Result=] aaHistClientActiveDataGrid.Execute();

Return Value

True = Execution is successful; False = Execution unsuccessful.

Remarks

If the Execute method fails, the data grid is cleared and an error is raised.

The most typical conditions that cause Execute to fail are:

  • The specified server is not running or connection to it is not available.

  • The server assigned to the ServerName property is invalid or not found.

  • The username assigned to the UserName property is invalid or not found.

  • The password assigned to the Password property is invalid or not associated with the specified UserName on the specified ServerName.

  • There is a syntax error in the SQLString property.

  • The DatabaseName property was not assigned or the wrong database was specified.

  • The BusinessObjectServer property is set to an HTTP server that does not exist, or the HTTP server specified is not running

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