quote:

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Any ideas how I can grab the expr and place it into a variable or label in .Net?

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using(SqlConnection myConn = new SqlConnection(**your connection string here***))
{
  SqlCommand myCommand = new SqlCommand("sprocName", myConn);
  myCommand.CommandType = CommandType.StoredProcedure;

  // Variable for the corresponding parameter in your stored procedure
  SqlParameter Expr = myCommand.Parameters.Add("@Expr", SqlDbType.Int, 4);
  Expr.Direction = ParameterDirection.Output;

  // Open the connection to the database
  myConn.Open();
  // If you are not returning a resultset and just want a single value
  // use ExecuteNonQuery.
  myCommand.ExecuteNonQuery();
  myCommand.Dispose();

  // make the value of the output parameter the text of your label
  myLabel.Text = myCommand.Parameter["@Expr"].ToString();
}