form1.cs

c#编写的人事管理系统源码 写得不错 值得收藏

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.OleDb;
using System.Runtime;
using System.Runtime.InteropServices;
namespace PM
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{

		[DllImport("appface.dll")]
		public static extern long SkinStart(string SkinFile,int nDefWinType,string CheckSum,long nType,
			long hInstance,long nLen);
		[DllImport("appface.dll")]
		public static extern long SkinRemove() ;

		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.ComboBox comboBox1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.PictureBox pictureBox1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		//记录用户的权限
		public string power = string.Empty;

		//一个提供对comboBox1只读的属性
		public string Cmb
		{
			get
			{
			    return this.comboBox1.Text.Trim();
			}
		}

		public static bool Can = false;
		public static Form1 f1;
		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();
            f1 = this;
			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.comboBox1 = new System.Windows.Forms.ComboBox();
			this.label1 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.textBox1);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.comboBox1);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Location = new System.Drawing.Point(32, 88);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(216, 112);
			this.groupBox1.TabIndex = 0;
			this.groupBox1.TabStop = false;
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(88, 72);
			this.textBox1.Name = "textBox1";
			this.textBox1.PasswordChar = '*';
			this.textBox1.TabIndex = 3;
			this.textBox1.Text = "";
			this.textBox1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBox1_KeyPress);
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(32, 80);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(32, 16);
			this.label2.TabIndex = 2;
			this.label2.Text = "密码";
			// 
			// comboBox1
			// 
			this.comboBox1.Location = new System.Drawing.Point(88, 24);
			this.comboBox1.Name = "comboBox1";
			this.comboBox1.Size = new System.Drawing.Size(100, 20);
			this.comboBox1.TabIndex = 1;
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(24, 32);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(48, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "用户名";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(40, 208);
			this.button1.Name = "button1";
			this.button1.TabIndex = 1;
			this.button1.Text = "确定";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(168, 208);
			this.button2.Name = "button2";
			this.button2.TabIndex = 2;
			this.button2.Text = "取消";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// pictureBox1
			// 
			this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image")));
			this.pictureBox1.Location = new System.Drawing.Point(0, 0);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(280, 80);
			this.pictureBox1.TabIndex = 3;
			this.pictureBox1.TabStop = false;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(280, 245);
			this.Controls.Add(this.pictureBox1);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.groupBox1);
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "Form1";
			this.Text = "用户登陆";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.groupBox1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
//		[STAThread]
//		static void Main() 
//		{
//			Application.Run(new Form1());
//		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			string str = "select * from UserInfo";
			Base bb = new Base();
			DataTable dt = new DataTable();
			dt = bb.ExeSQLdt(str);
			for(int i = 0 ; i < dt.Rows.Count ; i ++)
			{
			    this.comboBox1.Items.Add(dt.Rows[i]["uName"].ToString());
			}

		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
		    string str = "select * from UserInfo where uName='" + this.comboBox1.Text + "' and uPassword='" + this.textBox1.Text + "'";
			Base bb = new Base();
			if(bb.IsRead(str) == true)
			{
				string s = "select * from UserInfo where uName='" + this.comboBox1.Text + "'";
				DataTable dt = bb.ExeSQLdt(s);
				this.power = dt.Rows[0]["uPower"].ToString();
				Form1.Can = true;
                this.Close();
			}
			else
			{
			    MessageBox.Show("用户和密码不一致！");		
			}
		}

		private void textBox1_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			if(e.KeyChar == (char)13)
			{
			    button1_Click(sender,e); 
			}
		}
	}
}