protected void btnLogin_Click(object sender, EventArgs e) { //userName = "******"; //password = "******"; userName = Convert.ToString(txtUserName.Text); password = Convert.ToString(txtPassword.Text); bool login_status = clsCommon.checkLogin(userName, password); if (login_status == true) { string full_user_name = clsCommon.GetUserFullName(userName, password); string user_type = clsCommon.user_type(userName, password); Session["USER_NAME"] = userName; Session["USER_FULL_NAME"] = full_user_name; Session["USER_TYPE"] = user_type; Response.Redirect("frmCircularSankey.aspx", false); } else { string script = "alert('" + "Please enter valid user name and password" + "');"; ScriptManager.RegisterStartupScript(this, typeof(Page), "UserSecurity", script, true); } }