changepassword.cs

机械制造业信息管理系统(含源码) 是为一个粮仪厂开发的

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

using System.Data;
using System.Data.OleDb;

namespace Eboer.MIS.MF.WinForm
{
	/// <summary>
	/// ChangePassword 的摘要说明。
	/// </summary>
	public class ChangePassword : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.TextBox rp;
		private System.Windows.Forms.TextBox np;
		private System.Windows.Forms.TextBox op;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public ChangePassword()
		{
			//
			// 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.groupBox1 = new System.Windows.Forms.GroupBox();
			this.rp = new System.Windows.Forms.TextBox();
			this.np = new System.Windows.Forms.TextBox();
			this.op = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.rp);
			this.groupBox1.Controls.Add(this.np);
			this.groupBox1.Controls.Add(this.op);
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Location = new System.Drawing.Point(8, 8);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(272, 112);
			this.groupBox1.TabIndex = 0;
			this.groupBox1.TabStop = false;
			// 
			// rp
			// 
			this.rp.Location = new System.Drawing.Point(72, 72);
			this.rp.Name = "rp";
			this.rp.PasswordChar = '*';
			this.rp.Size = new System.Drawing.Size(184, 21);
			this.rp.TabIndex = 5;
			this.rp.Text = "";
			// 
			// np
			// 
			this.np.Location = new System.Drawing.Point(72, 48);
			this.np.Name = "np";
			this.np.PasswordChar = '*';
			this.np.Size = new System.Drawing.Size(184, 21);
			this.np.TabIndex = 4;
			this.np.Text = "";
			// 
			// op
			// 
			this.op.Location = new System.Drawing.Point(72, 24);
			this.op.Name = "op";
			this.op.PasswordChar = '*';
			this.op.Size = new System.Drawing.Size(184, 21);
			this.op.TabIndex = 3;
			this.op.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 80);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(64, 16);
			this.label3.TabIndex = 2;
			this.label3.Text = "确认密码";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 56);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(64, 16);
			this.label2.TabIndex = 1;
			this.label2.Text = "新 密 码";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 32);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(64, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "原 密 码";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(144, 128);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(72, 23);
			this.button1.TabIndex = 1;
			this.button1.Text = "确认修改";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(216, 128);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(64, 23);
			this.button2.TabIndex = 2;
			this.button2.Text = "取 消";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// ChangePassword
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(290, 167);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.groupBox1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "ChangePassword";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "修改密码";
			this.groupBox1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 确认修改
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void button1_Click(object sender, System.EventArgs e) {
			
			if(this.op.Text.Trim() != Public.passCH){
				MessageBox.Show("原密码有误！");
				return;
			}

			if(this.np.Text.Trim() == ""){
				MessageBox.Show("登录密码不能为空！");
				return;
			}

			if(this.np.Text != this.rp.Text){
				MessageBox.Show("确认密码与新密码不一致，请重新输入！");
				return;
			}

			try{

				Public.CloseConn();
				Public.conn.Open();
				OleDbCommand cmd = new OleDbCommand();
				cmd.CommandText  = "UPDATE SInfo set pwd='"+ this.np.Text +"' where username='"+ Public.userID +"'";
				cmd.Connection   = Public.conn;
				cmd.ExecuteNonQuery();
				Public.conn.Close();

				Public.passCH = this.np.Text.Trim();
				MessageBox.Show("修改成功！");
				this.Close();

			}catch(Exception ex){
				MessageBox.Show(ex.Message.ToString());
				return;
			}
		}

		/// <summary>
		/// 取消
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void button2_Click(object sender, System.EventArgs e) {
			this.Close();
		}
	}
}