ExecuteReader: CommandText property has not been initialized

This error occurs when sql query is not present. 

Sql querys like "select * from tablename" has to be given to 
CommandText property of the Open Connection. 


Check the query . if CommandText Property is empty then 
add a query to it. 

MyConnection.Open()
Dim myCommand As New SqlCommand(mSqlString, MyConnection)
oSpReturnValue = myCommand.ExecuteNonQuery()

here mSqlString u put the query 
if msqlstring is empty the error occurs. 


Hope this solves the problem