DataSource Controls :: Filtering Date Stored As Varchar In Table

Mar 9, 2010

I save dates as a string in a varchar data field named "TilDato" in a SQLServer-express table. I want to filter the records smaller than a specific date from a variable in the script. I try the following statement, but it does not seems function logically.

objCmd = new
SqlCommand("SELECT * FROM Reservering WHERE @laanedato<=TilDato",myConn2);
objCmd.Parameters.Add("@laanedato", laanedato);
objRdr = objCmd.ExecuteReader();

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