Dispaly Message box in ASP.Net

• Right click the solution explorer and click the add references and choose 
             
     System.Windows.Forms
     
    Now in your aspx.cs page
  
     System.Windows.Forms.MessageBox.Show("Type any text");
      System.Windows.Forms.MessageBox.Show("Record Saved Successfully", "Saved"); 

• Disaplay message in ASP.net Response.Write("<script>alert('Message')</script>");