Why returning dataset or data table from WCF service is not a good practice? What are the Alternatives?

Question

I am working on University Management System on which I am using a WCF service and in the service I am using DataTables and DataSets for getting data from database and datab

Answer 1

There are 3 reason for failed return type as datatable in WCF services

• You have to specify data table name like:

  MyTable=new DataTable("tableName");
  

• When you are adding reference on client side of WCF service select reusable dll system.data

• Specify attribute on datatable member variable like

  [DataMember]
  public DataTable MyTable{ get; set; }