示例#1
0
        private void btnLogin_Click(object sender, EventArgs e)
        {
            if (radioButton1.Checked == false && radioButton2.Checked == false && radioButton3.Checked == false)
                MessageBox.Show("请选择登陆身份!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
            if (txtName.Text == "" || txtPwd.Text == "")
                MessageBox.Show("用户名或密码不能为空!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            if(radioButton1.Checked==true)
            {
                if(txtName.Text=="Super"&&txtPwd.Text=="123456")
                {
                    frmMain fmain = new frmMain();//管理员窗口
                    this.Hide();
                    fmain.ShowDialog();
                    this.Close();
                }
                else
                {
                    MessageBox.Show("用户名或者密码错误!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            else if(radioButton2.Checked==true)
            {
                IDinfo = txtName.Text;
                sql = "select lst_LoginSName from Liust_StuLogin where lst_LoginSName='"+IDinfo+"'";
                int Decide = con.OpreateData(sql);
                if (Decide == 0)
                {
                    MessageBox.Show("用户名或者密码错误!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                else
                {
                    IDpas = txtPwd.Text;
                    sql = "select * from Liust_StuLogin where lst_LoginSName='" + IDinfo + "' and lst_LoginSPas='******'";
                    int AgainP = con.OpreateData(sql);
                    if (AgainP == 0)
                    {
                        MessageBox.Show("用户名或者密码错误!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    }
                    else
                    {
                        GetLogin.GuestLogin = IDinfo;
                        frmMainStu fmainStu = new frmMainStu();//学生窗口
                        this.Hide();
                        fmainStu.ShowDialog();
                        this.Close();
                    }
                }

            }
            else if(radioButton3.Checked==true)
            {
                IDinfo = txtName.Text;
                sql = "select lst_LoginTName from Liust_TeaLogin where lst_LoginTName='" + IDinfo + "'";
                int Decide = con.OpreateData(sql);
                if (Decide == 0)
                {
                    MessageBox.Show("用户名或者密码错误!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                else
                {
                    IDpas = txtPwd.Text;
                    sql = "select * from Liust_TeaLogin where lst_LoginTName='" + IDinfo + "' and lst_LoginTPas='******'";
                    int AgainP = con.OpreateData(sql);
                    if (AgainP == 0)
                    {
                        MessageBox.Show("用户名或者密码错误!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    }
                    else
                    {
                        GetLogin.GuestLogin = IDinfo;
                        frmMainTea fmainTea = new frmMainTea();//教师窗口
                        this.Hide();
                        fmainTea.ShowDialog();
                        this.Close();
                    }
                }

            }
        }
示例#2
0
 private void btnLogin_Click(object sender, EventArgs e)
 {
     if (radioButton1.Checked == false && radioButton2.Checked == false && radioButton3.Checked == false)
     {
         MessageBox.Show("请选择登陆身份!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
     if (txtName.Text == "" || txtPwd.Text == "")
     {
         MessageBox.Show("用户名或密码不能为空!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
     if (radioButton1.Checked == true)
     {
         if (txtName.Text == "Super" && txtPwd.Text == "123456")
         {
             frmMain fmain = new frmMain();//管理员窗口
             this.Hide();
             fmain.ShowDialog();
             this.Close();
         }
         else
         {
             MessageBox.Show("用户名或者密码错误!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
         }
     }
     else if (radioButton2.Checked == true)
     {
         IDinfo = txtName.Text;
         sql    = "select lst_LoginSName from Liust_StuLogin where lst_LoginSName='" + IDinfo + "'";
         int Decide = con.OpreateData(sql);
         if (Decide == 0)
         {
             MessageBox.Show("用户名或者密码错误!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
         }
         else
         {
             IDpas = txtPwd.Text;
             sql   = "select * from Liust_StuLogin where lst_LoginSName='" + IDinfo + "' and lst_LoginSPas='******'";
             int AgainP = con.OpreateData(sql);
             if (AgainP == 0)
             {
                 MessageBox.Show("用户名或者密码错误!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
             }
             else
             {
                 GetLogin.GuestLogin = IDinfo;
                 frmMainStu fmainStu = new frmMainStu();//学生窗口
                 this.Hide();
                 fmainStu.ShowDialog();
                 this.Close();
             }
         }
     }
     else if (radioButton3.Checked == true)
     {
         IDinfo = txtName.Text;
         sql    = "select lst_LoginTName from Liust_TeaLogin where lst_LoginTName='" + IDinfo + "'";
         int Decide = con.OpreateData(sql);
         if (Decide == 0)
         {
             MessageBox.Show("用户名或者密码错误!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
         }
         else
         {
             IDpas = txtPwd.Text;
             sql   = "select * from Liust_TeaLogin where lst_LoginTName='" + IDinfo + "' and lst_LoginTPas='******'";
             int AgainP = con.OpreateData(sql);
             if (AgainP == 0)
             {
                 MessageBox.Show("用户名或者密码错误!", "warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
             }
             else
             {
                 GetLogin.GuestLogin = IDinfo;
                 frmMainTea fmainTea = new frmMainTea();//教师窗口
                 this.Hide();
                 fmainTea.ShowDialog();
                 this.Close();
             }
         }
     }
 }