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Carlos 02-17-2005 08:14 PM

exception raised for valid variable declaration?

Hi all,

I do get the following exception when trying to create a new data row in

one of my tables:

System.Data.SqlClient.SqlException: Must declare the variable '@cAttend'

I have the following code:, which deckares the variable within the scope of

execution, so I am kind of confused why this happens. Any help is




char cAttend = 'N';

this.sqlInsertCommand1.CommandText = "INSERT INTO mytable (keyNum,
cAttended) VALUES (131415, @cAttend)";



Wilco Bauwer 02-17-2005 08:26 PM

Re: exception raised for valid variable declaration?
Lookup any article about "parameterized queries". Basically you are
declaring a variable (or: "placeholder"), but you aren't filling the
placeholder. You should add somethin like
this.sqlInsertCommand1.Parameters.Add("@cAttend", myValue); before you
actually execute the query.

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