chgpsw.cs

c#+SQL Server 中小型信息系统开发实例精选书上代码

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


namespace StudentManagementsystem
{
	/// <summary>
	/// ChgPsw 的摘要说明。
	/// </summary>
	public class ChgPsw : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button ChgPswCanl;
		private System.Windows.Forms.Button ChgPswOk;
		private System.Windows.Forms.TextBox ConfPsw;
		private System.Windows.Forms.TextBox NewPsw;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		/// 
		private string  PswStrCon;
		private SqlConnection PswConn;
		private String PswStrComd;
		private SqlCommand PswComd;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.GroupBox groupBox2;

		private System.ComponentModel.Container components = null;

		public ChgPsw()
		{
			//
			// 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.ChgPswCanl = new System.Windows.Forms.Button();
			this.ChgPswOk = new System.Windows.Forms.Button();
			this.ConfPsw = new System.Windows.Forms.TextBox();
			this.NewPsw = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.SuspendLayout();
			// 
			// ChgPswCanl
			// 
			this.ChgPswCanl.Location = new System.Drawing.Point(112, 96);
			this.ChgPswCanl.Name = "ChgPswCanl";
			this.ChgPswCanl.Size = new System.Drawing.Size(80, 24);
			this.ChgPswCanl.TabIndex = 15;
			this.ChgPswCanl.Text = "取消";
			this.ChgPswCanl.Click += new System.EventHandler(this.ChgPswCanl_Click);
			// 
			// ChgPswOk
			// 
			this.ChgPswOk.Location = new System.Drawing.Point(16, 96);
			this.ChgPswOk.Name = "ChgPswOk";
			this.ChgPswOk.Size = new System.Drawing.Size(80, 24);
			this.ChgPswOk.TabIndex = 14;
			this.ChgPswOk.Text = "确认";
			this.ChgPswOk.Click += new System.EventHandler(this.ChgPswOk_Click);
			// 
			// ConfPsw
			// 
			this.ConfPsw.Location = new System.Drawing.Point(96, 48);
			this.ConfPsw.Name = "ConfPsw";
			this.ConfPsw.Size = new System.Drawing.Size(96, 21);
			this.ConfPsw.TabIndex = 13;
			this.ConfPsw.Text = "";
			// 
			// NewPsw
			// 
			this.NewPsw.Location = new System.Drawing.Point(96, 24);
			this.NewPsw.Name = "NewPsw";
			this.NewPsw.Size = new System.Drawing.Size(96, 21);
			this.NewPsw.TabIndex = 12;
			this.NewPsw.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(32, 48);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(72, 16);
			this.label3.TabIndex = 10;
			this.label3.Text = "确认密码：";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(32, 24);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(64, 16);
			this.label2.TabIndex = 9;
			this.label2.Text = "新密码：";
			// 
			// groupBox1
			// 
			this.groupBox1.Location = new System.Drawing.Point(8, 0);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(192, 80);
			this.groupBox1.TabIndex = 16;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "信息";
			// 
			// groupBox2
			// 
			this.groupBox2.Location = new System.Drawing.Point(8, 80);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(192, 48);
			this.groupBox2.TabIndex = 17;
			this.groupBox2.TabStop = false;
			// 
			// ChgPsw
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(208, 141);
			this.Controls.Add(this.ChgPswCanl);
			this.Controls.Add(this.ChgPswOk);
			this.Controls.Add(this.ConfPsw);
			this.Controls.Add(this.NewPsw);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.groupBox2);
			this.Name = "ChgPsw";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "密码修改";
			this.ResumeLayout(false);

		}
		#endregion

		private void ChgPswCanl_Click(object sender, System.EventArgs e)
		{
			if(MessageBox.Show("您确认要退出？","确认",MessageBoxButtons.YesNo)==DialogResult.Yes)
				this.Close();
		}

		private void ChgPswOk_Click(object sender, System.EventArgs e)
		{
			
			if(NewPsw.Text.ToString().Trim()==ConfPsw.Text.ToString().Trim())
			{
				PswStrCon="workstation id=localhost;Integrated Security=SSPI;database=StuMagSys";

				PswStrComd="update Syuser set Password="+"'"+NewPsw.Text.ToString().Trim()+"'"+" where Use_name="+"'"+Login.Username+"'";
				PswConn=new SqlConnection(PswStrCon);

				PswConn.Open();
				PswComd=new SqlCommand(PswStrComd,PswConn);
				int Succnum=PswComd.ExecuteNonQuery();
				if(Succnum>0) MessageBox.Show("密码修改成功");
			}
			else
			{
				MessageBox.Show("密码不一致，请重新输入","确认",MessageBoxButtons.OK);
				NewPsw.Text="";
				ConfPsw.Text="";
			}
		}
	}
}