/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void textBox_UserAccount_Leave(object sender, EventArgs e)
{
err_UserAccount.Text = "";
string userAccount = textBox_UserAccount.Text;
if (string.IsNullOrEmpty(userAccount))
{
err_UserAccount.Text = "请输入账号";
err_UserAccount.ForeColor = Color.Red;
return;
}
if (_usersBll.ExsitModel(userAccount))
{
//存在
err_UserAccount.Text = "该用户名已存在";
err_UserAccount.ForeColor = Color.Red;
}
else
{
//不存在
err_UserAccount.Text = "该用户名可使用";
err_UserAccount.ForeColor = Color.Green;
}
}