private void TxtContact_KeyUp(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Enter:
{
TxtID.SelectAll();
TxtID.Focus();
break;
}
}
}
//当移出会员框，判断是否有重名
private void TxtID_Leave(object sender, EventArgs e)
{
DBHelper db = null;
try
{
db = new DBHelper();
string sql = string.Format("select count(*) from users where U_UsersId='{0}'", TxtID.Text);
if ((int)db.SelectOne(sql) > 0)
{
MessageBox.Show("已有相同的用户名！", "温馨提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
TxtID.Focus();
TxtID.SelectAll();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
db.GetClose();
}
}