java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Invalid parameter

I get error
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Invalid parameter binding(s).
for the following code, what is the wrong?

conn = getConnbyDM();
String sSQL = "INSERT INTO myTable";
sSQL += " VALUES (?)";
prepStat = conn.prepareStatement(sSQL);
prepStat = conn.prepareStatement(sSQL);
int i=prepStat.executeUpdate();
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Are you sure that myTable only contains one field (CATEGORY_NAME)? And is it VARCHAR?

Mick BarryJava DeveloperCommented:
whats the table schema?
Siva Prasanna KumarPrincipal Solutions ArchitectCommented:

conn = getConnbyDM();
prepStat = conn.prepareStatement(sSQL);
int i=prepStat.executeUpdate();

try the above program and as such prepStat = conn.prepareStatement(sSQL); was there twice in your previous program.

also for help check out this link.

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william007Author Commented:
Yes, is that extra line giving problem, thanks:-)
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