基本信息
源码名称:C# 考试管理系统源码(含access数据库)
源码大小:0.84M
文件格式:.zip
开发语言:C#
更新时间:2019-05-22
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源码介绍
考试管理系统可以连接数据库
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.OleDb;
namespace chenxiang
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
this.comboBox1.Items.Add("管理员");
this.comboBox1.Items.Add("教师");
this.comboBox1.Items.Add("学生");
this.comboBox1.SelectedIndex = 0;
}
private void button1_Click(object sender, EventArgs e)
{
user.tBox1=(this.textBox1.Text).ToString();
user.cBox1 = this.comboBox1.SelectedItem.ToString();
string uname = this.textBox1.Text.ToString();
string passwd = this.textBox2.Text.ToString();
string ustype = this.comboBox1.SelectedItem.ToString();
if(ustype.Equals("管理员")){
if (checkuesr(uname, passwd))
{
Form2 obj = new Form2();
obj.Show();
this.Hide();
}
else {
MessageBox.Show("用户名或密码错误");
}
}
else if (ustype.Equals("教师"))
{
MessageBox.Show("正在建设中");
}
else {
MessageBox.Show("正在建设中");
Form2 obj = new Form2();
obj.Show();
this.Hide();
}
}
public bool checkuesr(string _un,string _pwd) {
bool flag=false;
string sql = string.Format("select count(*)from Admin where LoginID='{0}' and LOginPwd='{1}'",_un,_pwd);
OleDbCommand cmd = new OleDbCommand(sql, DBhp.con);
int i = 0;
try
{
DBhp.con.Open();
i = (int)cmd.ExecuteScalar();
if (i == 1)
{
flag = true;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally {
DBhp.con.Close();
}
return flag;
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
}
}
}
考试管理系统可以连接数据库
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.OleDb;
namespace chenxiang
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
this.comboBox1.Items.Add("管理员");
this.comboBox1.Items.Add("教师");
this.comboBox1.Items.Add("学生");
this.comboBox1.SelectedIndex = 0;
}
private void button1_Click(object sender, EventArgs e)
{
user.tBox1=(this.textBox1.Text).ToString();
user.cBox1 = this.comboBox1.SelectedItem.ToString();
string uname = this.textBox1.Text.ToString();
string passwd = this.textBox2.Text.ToString();
string ustype = this.comboBox1.SelectedItem.ToString();
if(ustype.Equals("管理员")){
if (checkuesr(uname, passwd))
{
Form2 obj = new Form2();
obj.Show();
this.Hide();
}
else {
MessageBox.Show("用户名或密码错误");
}
}
else if (ustype.Equals("教师"))
{
MessageBox.Show("正在建设中");
}
else {
MessageBox.Show("正在建设中");
Form2 obj = new Form2();
obj.Show();
this.Hide();
}
}
public bool checkuesr(string _un,string _pwd) {
bool flag=false;
string sql = string.Format("select count(*)from Admin where LoginID='{0}' and LOginPwd='{1}'",_un,_pwd);
OleDbCommand cmd = new OleDbCommand(sql, DBhp.con);
int i = 0;
try
{
DBhp.con.Open();
i = (int)cmd.ExecuteScalar();
if (i == 1)
{
flag = true;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally {
DBhp.con.Close();
}
return flag;
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
}
}
}