Bootstrap alert in button event on asp.net
问题 How could I make a code that when I click a button on asp.net, an alert message of bootstrap or message box appears? protected void ButtonLogin_Click(object sender, EventArgs e) { //TextBoxEmail.Text = DateTime.Now.ToString(); string UserName = TextBoxEmail.Text.Trim(); string password = TextBoxPassword.Text.Trim(); OracleConnection conn = new OracleConnection(strConnString); conn.Open(); sql = "select password from userlogin where USERNAME = '" + UserName + "' and password ='" + password + "