protected void UserDataList_UpdateCommand(object source, DataListCommandEventArgs e)
        {//
            int productID = Convert.ToInt32(UserDataList.DataKeys[e.Item.ItemIndex]);

            using (var db = new ds_assign1Entities())
            {
                var user = db.APPLICATIONUSERs.Find(productID);
                if (user == null)
                {
                    return;
                }

                user.NAME        = ((TextBox)e.Item.FindControl(Constants.TEXTBOX_EDIT_NAME)).Text;
                user.LOGINID     = ((TextBox)e.Item.FindControl(Constants.TEXTBOX_EDIT_ID)).Text;
                user.HOMEADDRESS = ((TextBox)e.Item.FindControl(Constants.TEXTBOX_EDIT_HMADDR)).Text;
                user.BIRTHDATE   = ((TextBox)e.Item.FindControl(Constants.TEXTBOX_EDIT_BDAY)).Text;
                user.LONGITUDE   = ((TextBox)e.Item.FindControl(Constants.TEXTBOX_EDIT_LONG)).Text;
                user.LATITUDE    = ((TextBox)e.Item.FindControl(Constants.TEXTBOX_EDIT_LAT)).Text;

                db.Entry(user).State = EntityState.Modified;
                db.SaveChanges();
            }



            UserDataList.EditItemIndex = -1;
            UserDataList.DataBind();
        }
        public void InsertUser(object sender, EventArgs e)
        {
            APPLICATIONUSER user = new APPLICATIONUSER();

            user.NAME        = TextBox_INSERT_Name.Text;
            user.LOGINID     = TextBox_INSERT_LoginId.Text;
            user.LOGINPW     = TextBox_INSERT_LoginPW.Text;
            user.HOMEADDRESS = TextBox_INSERT_HomeAddr.Text;
            user.BIRTHDATE   = TextBox_INSERT_Birthday.Text;
            user.LONGITUDE   = TextBox_INSERT_Longitude.Text;
            user.LATITUDE    = TextBox_INSERT_Latitude.Text;
            if (CheckBox_INSERT_UType.Checked)
            {
                user.TYPE = Constants.ADMINISTRATOR_TYPE;
            }
            else
            {
                user.TYPE = Constants.REGULAR_TYPE;
            }

            using (var db = new ds_assign1Entities())
            {
                db.APPLICATIONUSERs.Add(user);
                db.SaveChanges();
            }

            UserDataList.EditItemIndex = -1;
            UserDataList.DataBind();
        }
        protected void UserDataList_DeleteCommand(object source, DataListCommandEventArgs e)
        {
            int productID = Convert.ToInt32(UserDataList.DataKeys[e.Item.ItemIndex]);

            using (var db = new ds_assign1Entities())
            {
                var user = db.APPLICATIONUSERs.Find(productID);
                if (user == null)
                {
                    return;
                }

                db.APPLICATIONUSERs.Remove(user);
                db.SaveChanges();
            }

            UserDataList.EditItemIndex = -1;
            UserDataList.DataBind();
        }
 protected void UserDataList_CancelCommand(object source, DataListCommandEventArgs e)
 {
     UserDataList.EditItemIndex = -1;
     UserDataList.DataBind();
 }
 protected void UserDataList_EditCommand(object source, DataListCommandEventArgs e)
 {
     UserDataList.EditItemIndex = e.Item.ItemIndex;
     UserDataList.DataBind();
 }