private void btnUp_Click(object sender, EventArgs e)
{
frmOperate fl = new frmOperate();
fl.Show();
this.Close();
}
/// <summary>
/// 1.点击确定
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnLogin_Click(object sender, EventArgs e)
{
#region //使用类封装
string sql = "select * from UserInfo Where UserName='******'and UserPwd='" + txtPassWord.Text.Trim() + "' ";
if (OprateDB.ExecuteReader(sql))
{
//写上用户名
username = txtUserName.Text.Trim().ToLower();
frmOperate frm = new frmOperate();
frm.Show();
this.Hide();
}
else
{
i++;
if (i == 1)
{
MessageBox.Show("用户名或密码错误，您还有二次机会");
MessageBox.Show("用户名或密码错误", "出错了",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (i == 2)
{
MessageBox.Show("用户名或密码错误，您还有一次机会");
MessageBox.Show("用户名或密码错误", "出错了",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (i == 3)
{
MessageBox.Show("用户名或密码错误，您还有0次机会");
MessageBox.Show("卡已被锁定", "请30分钟再试！",
MessageBoxButtons.OK, MessageBoxIcon.Error);
i = 0;
}
}
#endregion
}