Object reference not set to an instance of an object.
 

   त्वरित लिंक

Object reference not set to an instance of an object.
Object reference not set to an instance of an object.
Object reference not set to an instance of an object.

विक्रेता / ठेकेदार पंजीकरण

ExecuteReader requires an open and available Connection. The connection's current state is connecting.