Button clicks on textfields inputdata are not editable...

try this


Textbox1.Readonly="true";

You can try the below code:

aspx markup:



   


   

   

       
       
   

   

CS :

        protected void Page_Load(object sender, EventArgs e)
        {

            if (Page.IsPostBack)
            {
                TextBox1.Attributes.Add("disabled", "true");
            }
        }

You can use Enable property on button click event like:

 TextBox1.Enabled = false;
  TextBox2.Enabled = false;