stms_dbkation.cs

一个班管理系统.用的存储过存和直接SQL语言.数据库:SQLServer 2

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
namespace WindowsApplication1
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class STMS_Dbkation : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.TextBox textBox2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public STMS_Dbkation()
		{
			//
			// 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(STMS_Dbkation));
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("button1.BackgroundImage")));
			this.button1.Cursor = System.Windows.Forms.Cursors.Hand;
			this.button1.Font = new System.Drawing.Font("华文新魏", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button1.Location = new System.Drawing.Point(104, 168);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(80, 32);
			this.button1.TabIndex = 0;
			this.button1.Text = "登  陆";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("button2.BackgroundImage")));
			this.button2.Cursor = System.Windows.Forms.Cursors.Hand;
			this.button2.Font = new System.Drawing.Font("华文新魏", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button2.Location = new System.Drawing.Point(264, 168);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(80, 32);
			this.button2.TabIndex = 1;
			this.button2.Text = "退  出";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(155, 72);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(152, 21);
			this.textBox1.TabIndex = 2;
			this.textBox1.Text = "";
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(155, 115);
			this.textBox2.Name = "textBox2";
			this.textBox2.PasswordChar = '*';
			this.textBox2.Size = new System.Drawing.Size(152, 21);
			this.textBox2.TabIndex = 3;
			this.textBox2.Text = "";
			// 
			// STMS_Dbkation
			// 
			this.AcceptButton = this.button1;
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
			this.ClientSize = new System.Drawing.Size(416, 216);
			this.Controls.Add(this.textBox2);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
			this.Name = "STMS_Dbkation";
			this.Text = "  学 生 管 理 系 统";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion
        System.Int16 i;
		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new STMS_Dbkation());
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			this.CenterToScreen();
		}

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

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

	//==============================================================================================		
		stumclass cla;
		cla = new stumclass();
		cla.STMS_Dbkation(this.textBox1.Text ,this.textBox2.Text,0);				
			if (this.textBox1.Text  != "")
			{
				if(this.textBox2.Text !="")
				{
					if (cla.ds.Tables[0].Rows.Count > 0)
					{
						
						STMS_M fm = new STMS_M();
						fm.Show();
						this.Hide();
					}
					else
					{
						i++;
						if (i==3)
						{
							MessageBox.Show("第三次失败!");
							Application.Exit();
						}
						else
						{
							MessageBox.Show("用户或密码错误!");
						}

					}
				}
				else
				{
					MessageBox.Show("密码不能为空!!");
				}
			}
			else
			{
				MessageBox.Show("用户不能为空!");
			}
		
		//===================================================================================
		

		}
	}
}