private void OpenForm(string sql, string type)
{
SqlDataReader sqlData = YRHelper.GetDataReader(sql);
if (sqlData.HasRows)
{
switch (type)
{
case "student":
FrmStudent stu = new FrmStudent(txtAccount.Text);
stu.Show();
this.Hide();
break;
case "teacher":
FrmTeacher tea = new FrmTeacher(txtAccount.Text);
tea.Show();
this.Hide();
break;
case "admin":
FrmAdmin admin = new FrmAdmin(txtAccount.Text);
admin.Show();
this.Hide();
break;
}
}
else
{
MessageBox.Show("登录失败，请检查账号或密码！");
}
sqlData.Close();
}
private void 学生档案查询ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (FrmStu == null || FrmStu.IsDisposed)
{
FrmStu = new FrmStudent();
}
Size OldSize = FrmStu.Size;
this.Size = new Size(OldSize.Width + 20, OldSize.Height + 70);
FrmStu.MdiParent = this;
FrmStu.Location = new Point(0, 0);;
FrmStu.Show();
}
private void btmLogin_Click(object sender, EventArgs e)
{
string sql = string.Format("select * from tbluser where username='******' and userpwd='{1}'", txtName.Text, txtPwd.Text);
DataSet ds = Common.QuerySql(sql);
if (ds.Tables[0].Rows.Count > 0)
{
FrmStudent f = new FrmStudent();
f.Show();
this.Hide();
}
else
{
MessageBox.Show("账号或密码错误");
}
}
private void button1_Click(object sender, EventArgs e)
{
string id, pwd;
id = textBox1.Text;
pwd = textBox1.Text;
if (id == "123")
{
FrmStudent f = new FrmStudent();
f.Show();
}
else
{
MessageBox.Show("账号或密码错误");
}
}
private void button1_Click(object sender, EventArgs e)
{
FrmStudent frm = new FrmStudent();
frm.Show();
}
