private void Button1_Click(object sender, EventArgs e) //确定
{
string UNAME = textBox3.Text.Trim();
string newpass = textBox2.Text.Trim();
string checknewpass = textBox1.Text.Trim();
string sql = "select UNAME from USERS where UNAME = '" + UNAME + "'";
SqlCommand sqlCommand = new SqlCommand(sql, sqlConnection);
SqlDataReader sqlDataReader = sqlCommand.ExecuteReader();
if (newpass != checknewpass)
{
MessageBox.Show("密码不匹配，请重试！", "警告");
}
else if (newpass == "" || checknewpass == "")
{
MessageBox.Show("请输入新密码！", "警告");
}
else if (!sqlDataReader.HasRows)
{
MessageBox.Show("无该用户，请检查后重新输入！", "提示");
}
else
{
string insertStr = "UPDATE USERS SET UPASSWORD = '******' WHERE UNAME = '" + UNAME + "'";
SqlCommand cmd = new SqlCommand(insertStr, sqlConnection);
cmd.ExecuteNonQuery();
MessageBox.Show("修改成功！", "提示");
管理员登录界面 form = new 管理员登录界面();
form.Show();
this.Hide();
}
}
private void 重新登录ToolStripMenuItem_Click(object sender, EventArgs e)
{
this.Hide();
管理员登录界面 form = new 管理员登录界面();
form.StartPosition = FormStartPosition.CenterScreen;
form.Show();
}
private void Button1_Click(object sender, EventArgs e) //管理员
{
管理员登录界面 form = new 管理员登录界面();
form.StartPosition = FormStartPosition.CenterScreen;
form.Show();
this.Hide();
}
