For performing the CURD operation in EF. We have to use an object of context class.
Example:
To Read data record :
CustomerContext obj = new CustomerContext();
Foreach(Customer cust in obj.customer)
{
// Do your work here.
}
To add data record: we use AddObject method and savechange method to add record.
CustomerContext obj = new CustomerContext();
Customer custObj= new Customer();
custObj.Name=”Bhimsen”;
custObj.Email=”
[email protected]”;
custObj.Mobile=8010326915;
custObj.Address=”New Delhi”;
obj.customer.addobject(custObj);
obj.savechanges();
To Update Record :
CustomerContext obj = new CustomerContext();
Customer custObj= (Customer) obj.Customer.firstOrDefault();
custObj.Name=”Bhimsen”;
obj.AcceptAllChanges();
To Delete Record:
CustomerContext obj = new CustomerContext();
Customer custObj= (Customer) obj.Customer.FirstOrDefault();
Obj.DeleteObject(CustObj);