protected void btnAdd_Click(object sender, EventArgs e) { DataSet1TableAdapters.MyUsersTableAdapter usda = new DataSet1TableAdapters.MyUsersTableAdapter(); usda.Insert(txtUsername.Text, txtPass.Text, txtName.Text); txtUsername.Text = txtPass.Text = ""; btnAdd.Text = "اطلاعات ثبت شد!"; }