用户管理.cs

管理学院机房计费系统,VISUAL STUDIO .NET 2003 c# 语言实现,SQL SERVER 2000数据库. 现运行正常.

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
using System.Data.SqlTypes;

namespace 机房计费系统
{
	/// <summary>
	/// 用户管理 的摘要说明。
	/// </summary>
	public class 用户管理 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button10;
		private System.Windows.Forms.GroupBox 添加新用户;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.ComboBox comboBox1;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.TextBox textBox3;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.TextBox textBox4;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.GroupBox groupBox2;
		private DataSet sds=new DataSet();
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
		private System.Data.SqlClient.SqlConnection sqlConnection1;
		private System.Data.SqlClient.SqlCommand sqlSelectCommand1;
		private System.Data.SqlClient.SqlCommand sqlInsertCommand1;
		private System.Data.SqlClient.SqlCommand sqlUpdateCommand1;
		private System.Data.SqlClient.SqlCommand sqlDeleteCommand1;
		private System.Data.SqlClient.SqlConnection sqlConnection2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public 用户管理()
		{
			//
			// 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()
		{
			this.button10 = new System.Windows.Forms.Button();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.添加新用户 = new System.Windows.Forms.GroupBox();
			this.comboBox1 = new System.Windows.Forms.ComboBox();
			this.label3 = new System.Windows.Forms.Label();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.button2 = new System.Windows.Forms.Button();
			this.textBox4 = new System.Windows.Forms.TextBox();
			this.label5 = new System.Windows.Forms.Label();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlConnection2 = new System.Data.SqlClient.SqlConnection();
			this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.添加新用户.SuspendLayout();
			this.groupBox1.SuspendLayout();
			this.groupBox2.SuspendLayout();
			this.SuspendLayout();
			// 
			// button10
			// 
			this.button10.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button10.Location = new System.Drawing.Point(256, 320);
			this.button10.Name = "button10";
			this.button10.TabIndex = 1;
			this.button10.Text = "提交修改";
			this.button10.Click += new System.EventHandler(this.button10_Click);
			// 
			// dataGrid1
			// 
			this.dataGrid1.CaptionFont = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.dataGrid1.DataMember = "";
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(16, 32);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.Size = new System.Drawing.Size(344, 280);
			this.dataGrid1.TabIndex = 0;
			// 
			// 添加新用户
			// 
			this.添加新用户.Controls.Add(this.comboBox1);
			this.添加新用户.Controls.Add(this.label3);
			this.添加新用户.Controls.Add(this.textBox2);
			this.添加新用户.Controls.Add(this.label2);
			this.添加新用户.Controls.Add(this.textBox1);
			this.添加新用户.Controls.Add(this.label1);
			this.添加新用户.Controls.Add(this.button1);
			this.添加新用户.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.添加新用户.Location = new System.Drawing.Point(400, 32);
			this.添加新用户.Name = "添加新用户";
			this.添加新用户.Size = new System.Drawing.Size(272, 208);
			this.添加新用户.TabIndex = 2;
			this.添加新用户.TabStop = false;
			this.添加新用户.Text = "添加新用户";
			// 
			// comboBox1
			// 
			this.comboBox1.Items.AddRange(new object[] {
														   "操作员",
														   "超级用户"});
			this.comboBox1.Location = new System.Drawing.Point(112, 120);
			this.comboBox1.Name = "comboBox1";
			this.comboBox1.Size = new System.Drawing.Size(136, 24);
			this.comboBox1.TabIndex = 5;
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 128);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(56, 23);
			this.label3.TabIndex = 4;
			this.label3.Text = "权限";
			this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(112, 80);
			this.textBox2.Name = "textBox2";
			this.textBox2.PasswordChar = '*';
			this.textBox2.Size = new System.Drawing.Size(136, 26);
			this.textBox2.TabIndex = 3;
			this.textBox2.Text = "";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 80);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(56, 23);
			this.label2.TabIndex = 2;
			this.label2.Text = "密码";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(112, 40);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(136, 26);
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 40);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(56, 23);
			this.label1.TabIndex = 0;
			this.label1.Text = "姓名";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// button1
			// 
			this.button1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button1.Location = new System.Drawing.Point(168, 168);
			this.button1.Name = "button1";
			this.button1.TabIndex = 3;
			this.button1.Text = "确定";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.button2);
			this.groupBox1.Controls.Add(this.textBox4);
			this.groupBox1.Controls.Add(this.label5);
			this.groupBox1.Controls.Add(this.textBox3);
			this.groupBox1.Controls.Add(this.label4);
			this.groupBox1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.groupBox1.Location = new System.Drawing.Point(400, 256);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(272, 136);
			this.groupBox1.TabIndex = 3;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "修改个人密码";
			// 
			// button2
			// 
			this.button2.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button2.Location = new System.Drawing.Point(176, 104);
			this.button2.Name = "button2";
			this.button2.TabIndex = 4;
			this.button2.Text = "确定";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// textBox4
			// 
			this.textBox4.Location = new System.Drawing.Point(120, 72);
			this.textBox4.Name = "textBox4";
			this.textBox4.PasswordChar = '*';
			this.textBox4.Size = new System.Drawing.Size(136, 26);
			this.textBox4.TabIndex = 3;
			this.textBox4.Text = "";
			// 
			// label5
			// 
			this.label5.Location = new System.Drawing.Point(24, 80);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(56, 23);
			this.label5.TabIndex = 2;
			this.label5.Text = "新密码";
			this.label5.TextAlign = System.Drawing.ContentAlignment.MiddleRight;