private void button1_Click(object sender, EventArgs e)
{
string strMD5 = ""; //记录加密后的数值
MD5 _md5 = new MD5CryptoServiceProvider(); //创建MD5对象
byte[] data = System.Text.Encoding.Default.GetBytes(textBox_PWD.Text); //将文本框输入的数据转化为字节
byte[] md5Data = _md5.ComputeHash(data); //计算data字节数组的哈希值（加密）
_md5.Clear(); //释放类资源
foreach (byte a in md5Data)
{
if (a < 16)
{
strMD5 += "0" + a.ToString("x");
}
else
{
strMD5 += a.ToString("x");
}
}
string userName = textBox_UserName.Text;
string pwd = strMD5;
//校验用户名密码
if (m_strUser.Equals(userName) && m_strPassword.Equals(pwd))
{
this.Hide();
Mainform form1 = new Mainform();
form1.Show();
}
else
{
MessageBox.Show("密码错误!");
return;
}
}
private delegate void CrossThreadOperationControl();//跨线程调用控件委托
public Mainform()
{
InitializeComponent();
form1 = this;
}