Ajax.net

1.Web.config file ,Vibram Fivefinger tag added :

<add verb = POST, GET :
Ajax.Utility.RegisterTypeForAjax (typeof (Register));

3.Sql.cs class has a method CheckID (appoint), check if the name already exists in the database ;

4.Register.aspx code-behind file in a large part :
[Ajax.AjaxMethod]
public string CheckName (string name)
{
Sql sql = current Sql ( );
return sql.CheckID (name);
}

5.Register.aspx to multiplication the HTML script kid :


6.Register.aspx sheet in a txt box txtName, an HTML clasp btnCheck,
properties of the btnCheck oncleck amount defined in step 4 to fill the feature Check ();

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Note : Register.aspx is your own login page .
Sql.cs is the file control membrane .