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LoginForm.cs ( File view )

  • By 洒脱 2014-10-28
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  • Download(s):1
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			using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Threading;
using System.Data;
using System.Data.SqlClient;
namespace HotelManage
{

	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class LoginForm : System.Windows.Forms.Form
	{

		private System.Windows.Forms.TextBox user;
		private System.Windows.Forms.TextBox mima;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public LoginForm()
		{

			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// 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(LoginForm));
			this.user = new System.Windows.Forms.TextBox();
			this.mima = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// user
			// 
			this.user.Location = new System.Drawing.Point(192, 72);
			this.user.MaxLength = 12;
			this.user.Name = "user";
			this.user.TabIndex = 0;
			this.user.Text = "";
			this.user.TextChanged += new System.EventHandler(this.user_TextChanged);
			// 
			// mima
			// 
			this.mima.Location = new System.Drawing.Point(192, 144);
			this.mima.MaxLength = 12;
			this.mima.Name = "mima";
			this.mima.PasswordChar = '*';
			this.mima.TabIndex = 1;
			this.mima.Text = "";
			this.mima.TextChanged += new System.EventHandler(this.textBox2_TextChanged);
			// 
			// label1
			// 
			this.label1.BackColor = System.Drawing.Color.Transparent;
			this.label1.Cursor = System.Windows.Forms.Cursors.Default;
			this.label1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.ForeColor = System.Drawing.Color.LawnGreen;
			this.label1.ImageAlign = System.Drawing.ContentAlignment.BottomCenter;
			this.label1.Location = new System.Drawing.Point(80, 72);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(64, 24);
			this.label1.TabIndex = 2;
			this.label1.Text = "用户名";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// label2
			// 
			this.label2.BackColor = System.Drawing.Color.Transparent;
			this.label2.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label2.ForeColor = System.Drawing.Color.LawnGreen;
			this.label2.Location = new System.Drawing.Point(80, 144);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(72, 24);
			this.label2.TabIndex = 3;
			this.label2.Text = "密  码";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// button1
			// 
			this.button1.BackColor = System.Drawing.Color.Thistle;
			this.button1.Location = new System.Drawing.Point(88, 240);
			this.button1.Name = "button1";
			this.button1.TabIndex = 4;
			this.button1.Text = "登录";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.BackColor = System.Drawing.Color.Thistle;
			this.button2.Location = new System.Drawing.Point(208, 240);
			this.button2.Name = "button2";
			this.button2.TabIndex = 5;
			this.button2.Text = "取消";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// LoginForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
			this.ClientSize = new System.Drawing.Size(392, 327);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.mima);
			this.Controls.Add(this.user);
			this.Name = "LoginForm";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "登录";
			this.ResumeLayout(false);

		
}
		#endregion
		static void Main() 
		{

			Thread thread = Thread.CurrentThread;
			thread.ApartmentState = ApartmentState.STA;
			Application.Run(new LoginForm());
		
}	

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]	

		private void textBox2_TextChanged(object sender, System.EventArgs e)
		{

		
		
}

		private void button1_Click(object sender, System.EventArgs e)
		{


            bool cancheck=false;

			SqlConnection con=new SqlConnection(HotelManage.util.Connection.ConnString);
			SqlCommand cmd=new SqlCommand("select * from login where username=@username and password=@password",con); //命令对象参数
			cmd.Parameters.Add("@username",user.Text); 
			cmd.Parameters.Add("@password",mima.Text);
			con.Open(); 
			SqlDataReader dr=cmd.ExecuteReader();  //执行SQL返回数据读取器
			if(dr.Read())
			{

				cancheck=true;	
				dr.Close();
				con.Close();
			
}

			if(cancheck)
			{
	
				Form LoginForm=new MainForm();						
				for(int x=0;x<this.MdiChildren.Length;x++)
				{

					Form tempChild = (Form)this.MdiChildren[x];
					tempChild.Close();
				
}

			   			
				LoginForm.Show(); 
				
			 
			
}
			else
			{

				MessageBox.Show("密码错误!");
				user.Text=mima.Text="";
			
}

			
		
}

		private void button2_Click(object sender, System.EventArgs e)
		{

			Application.Exit();
		
}

		private void user_TextChanged(object sender, System.EventArgs e)
		{

		
		
}
	
}

}
			
...
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Name Size Date
HotelManage.sql13.44 kB13-04-06 23:08
Help.chm11.05 kB01-07-07 20:19
Help.html944.00 B01-07-07 00:02
0005.gif1.33 kB12-04-04 23:13
App.ico1.05 kB26-06-07 07:41
AssemblyInfo.cs1.82 kB05-03-04 19:46
Help.chm11.05 kB01-07-07 20:35
HotelManage.exe260.00 kB04-07-07 14:56
HotelManage.pdb141.50 kB04-07-07 14:56
CheckInForm.cs7.34 kB03-07-07 18:45
CheckInForm.resx11.77 kB30-06-07 22:19
CheckInManage.cs2.18 kB03-07-07 15:42
HotelManage.sql13.44 kB13-04-06 23:08
GuesterFindForm.cs11.26 kB02-07-07 23:16
GuesterFindForm.resx13.39 kB30-06-07 22:20
App.ico1.05 kB26-06-07 07:41
AssemblyInfo.cs1.82 kB05-03-04 19:46
HotelManage.exe144.00 kB06-05-06 19:30
HotelManage.pdb91.50 kB06-05-06 19:30
CheckInForm.cs7.21 kB13-04-06 20:40
CheckInForm.resx11.77 kB13-04-06 20:40
CheckInManage.cs2.07 kB03-04-06 09:01
GuesterFindForm.cs10.93 kB06-05-06 19:35
GuesterFindForm.resx13.39 kB06-05-06 19:35
HotelManage.csproj8.31 kB13-04-06 22:44
HotelManage.csproj.user1.76 kB06-05-06 19:35
HotelManage.sln919.00 B05-03-04 19:46
HotelManage.suo13.00 kB03-04-06 07:49
MainForm.cs13.75 kB06-05-06 19:35
MainForm.resx23.08 kB15-04-06 00:33
HotelManage.CheckInForm.resources8.33 kB14-04-06 11:32
HotelManage.exe144.00 kB06-05-06 19:30
HotelManage.GuesterFindForm.resources9.70 kB15-04-06 18:38
HotelManage.MainForm.resources18.43 kB15-04-06 00:34
HotelManage.OrderForm.resources12.52 kB15-04-06 16:23
HotelManage.pdb91.50 kB06-05-06 19:30
HotelManage.projdata42.88 kB06-05-06 19:35
HotelManage.RoomFindForm.resources13.63 kB15-04-06 18:38
HotelManage.RoomManageForm.resources12.47 kB15-04-06 18:38
HotelManage.RoomTypeForm.resources11.97 kB15-04-06 18:38
OrderForm.cs11.92 kB15-04-06 16:23
OrderForm.resx16.20 kB15-04-06 16:15
OrderManage.cs3.18 kB06-04-06 21:29
RoomFindForm.cs16.38 kB06-05-06 19:35
RoomFindForm.resx17.34 kB06-05-06 19:35
RoomManage.cs2.50 kB03-04-06 09:01
RoomManageForm.cs15.47 kB06-05-06 19:35
RoomManageForm.resx16.18 kB06-05-06 19:35
RoomTypeForm.cs12.98 kB06-05-06 19:35
RoomTypeForm.resx15.64 kB06-05-06 19:35
RoomTypeManage.cs2.33 kB06-05-06 19:35
UserManageForm.resx14.58 kB13-04-06 22:42
Connection.cs324.00 B03-04-06 08:15
HotelManage.csproj11.91 kB01-07-07 21:56
HotelManage.csproj.user1.76 kB04-07-07 15:27
HotelManage.sln919.00 B05-03-04 19:46
HotelManage.suo19.00 kB06-05-06 19:35
cacular.BMP2.05 kB26-05-98 05:08
close.BMP358.00 B26-05-98 05:08
describ.BMP382.00 B25-04-98 03:58
drop.BMP1.29 kB25-04-98 03:58
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PREVIEW.BMP1.29 kB25-04-98 03:58
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quit.BMP382.00 B25-04-98 03:58
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WZUNDO.BMP358.00 B26-05-98 05:08
Login.jpg38.82 kB21-06-07 10:24
LoginForm.cs6.35 kB03-07-07 15:48
LoginForm.resx68.92 kB01-07-07 09:36
MainForm.cs14.86 kB03-07-07 18:56
MainForm.jpg60.43 kB01-07-07 09:54
MainForm.resx113.85 kB01-07-07 20:32
HotelManage.CheckInForm.resources8.33 kB30-06-07 22:26
HotelManage.exe260.00 kB04-07-07 14:56
HotelManage.GuesterFindForm.resources9.70 kB30-06-07 22:26
HotelManage.LoginForm.resources45.99 kB01-07-07 09:36
HotelManage.MainForm.resources78.94 kB01-07-07 20:32
HotelManage.OrderForm.resources13.53 kB02-07-07 22:33
HotelManage.pdb141.50 kB04-07-07 14:56
HotelManage.projdata50.01 kB04-07-07 15:27
HotelManage.RoomFindForm.resources13.63 kB03-07-07 09:25
HotelManage.RoomManageForm.resources13.50 kB03-07-07 09:25
HotelManage.RoomTypeForm.resources12.99 kB02-07-07 22:30
OrderForm.cs13.38 kB03-07-07 18:39
OrderForm.resx17.29 kB02-07-07 22:33
OrderManage.cs3.25 kB02-07-07 23:04
RoomFindForm.cs17.94 kB03-07-07 18:50
RoomFindForm.resx17.34 kB03-07-07 09:24
RoomManage.cs2.56 kB02-07-07 21:33
RoomManageForm.cs18.81 kB03-07-07 09:24
RoomManageForm.resx17.28 kB03-07-07 09:24
RoomTypeForm.cs16.45 kB03-07-07 15:48
RoomTypeForm.resx16.73 kB02-07-07 15:48
RoomTypeManage.cs2.56 kB02-07-07 15:47
UserManageForm.resx14.58 kB13-04-06 22:42
Connection.cs320.00 B28-05-06 22:22
HotelManage.sln919.00 B30-06-07 23:40
HotelManage.suo13.00 kB04-07-07 15:27
cacular.BMP2.05 kB26-05-98 05:08
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readme.txt199.00 B26-06-07 07:37
HotelManage.sql13.44 kB13-04-06 23:08
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...

LoginForm.cs (740.91 kB)

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