How to connect sql server in server system from local system

Question

am working on intranet,

 

in my system no sql server ,

 

 

in server we have sql server, i want to bind table to grid from server to my local system

 

 

i used following connection string to connect server

 

<add name="EmployeeDbcontext" connectionString="Data Source=SERVER\SQLSERVER;Initial Catalog=TestDemo;user id=sa;password=LOGIC@123;Integrated Security=True"

providerName="System.Data.SqlClient" />

 

iam getting error as ""a network specified error......