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Form1.cs
Package: VC#.NET范例.rar [view]
Upload User: chinafred
Upload Date: 2007-08-14
Package Size: 10127k
Code Size: 7k
Category:
ADO-ODBC
Development Platform:
C#
- using System;
- using System.Drawing;
- using System.Collections;
- using System.ComponentModel;
- using System.Windows.Forms;
- using System.Data;
- namespace ch1_17
- {
- /// <summary>
- /// Form1 的摘要说明。
- /// </summary>
- public class Form1 : System.Windows.Forms.Form
- {
- private System.Windows.Forms.ErrorProvider errorProvider1;
- private System.Windows.Forms.Label label1;
- private System.Windows.Forms.TextBox textBox1;
- private System.Windows.Forms.Button button1;
- private System.Windows.Forms.Label label2;
- private System.Windows.Forms.TextBox textBox2;
- private System.Windows.Forms.Label label3;
- private System.Windows.Forms.Label labelUser;
- private System.Windows.Forms.TextBox textBoxUser;
- private System.Windows.Forms.Label labelNote;
- /// <summary>
- /// 必需的设计器变量。
- /// </summary>
- private System.ComponentModel.Container components = null;
- public Form1()
- {
- //
- // 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 Form Designer generated code
- /// <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.errorProvider1 = new System.Windows.Forms.ErrorProvider();
- this.label1 = new System.Windows.Forms.Label();
- this.textBox1 = new System.Windows.Forms.TextBox();
- this.button1 = new System.Windows.Forms.Button();
- this.label2 = new System.Windows.Forms.Label();
- this.textBox2 = new System.Windows.Forms.TextBox();
- this.label3 = new System.Windows.Forms.Label();
- this.labelNote = new System.Windows.Forms.Label();
- this.labelUser = new System.Windows.Forms.Label();
- this.textBoxUser = new System.Windows.Forms.TextBox();
- this.SuspendLayout();
- //
- // errorProvider1
- //
- this.errorProvider1.ContainerControl = this;
- //
- // label1
- //
- this.label1.Location = new System.Drawing.Point(48, 112);
- this.label1.Name = "label1";
- this.label1.Size = new System.Drawing.Size(104, 23);
- this.label1.TabIndex = 0;
- this.label1.Text = "请设定您的密码";
- //
- // textBox1
- //
- this.textBox1.Location = new System.Drawing.Point(184, 112);
- this.textBox1.Name = "textBox1";
- this.textBox1.PasswordChar = '*';
- this.textBox1.Size = new System.Drawing.Size(152, 21);
- this.textBox1.TabIndex = 2;
- this.textBox1.Text = "";
- //
- // button1
- //
- this.button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
- this.button1.Location = new System.Drawing.Point(224, 208);
- this.button1.Name = "button1";
- this.button1.Size = new System.Drawing.Size(112, 24);
- this.button1.TabIndex = 4;
- this.button1.Text = "确定";
- this.button1.Click += new System.EventHandler(this.button1_Click);
- //
- // label2
- //
- this.label2.Location = new System.Drawing.Point(48, 160);
- this.label2.Name = "label2";
- this.label2.TabIndex = 3;
- this.label2.Text = "请确认您的密码";
- //
- // textBox2
- //
- this.textBox2.Location = new System.Drawing.Point(184, 152);
- this.textBox2.Name = "textBox2";
- this.textBox2.PasswordChar = '*';
- this.textBox2.Size = new System.Drawing.Size(152, 21);
- this.textBox2.TabIndex = 3;
- this.textBox2.Text = "";
- //
- // label3
- //
- this.errorProvider1.SetIconAlignment(this.label3, System.Windows.Forms.ErrorIconAlignment.BottomLeft);
- this.label3.Location = new System.Drawing.Point(48, 216);
- this.label3.Name = "label3";
- this.label3.Size = new System.Drawing.Size(160, 23);
- this.label3.TabIndex = 5;
- //
- // labelNote
- //
- this.labelNote.Location = new System.Drawing.Point(48, 72);
- this.labelNote.Name = "labelNote";
- this.labelNote.Size = new System.Drawing.Size(296, 23);
- this.labelNote.TabIndex = 6;
- this.labelNote.Text = "请注意:密码的位数应大于等于6位且不超过12位";
- //
- // labelUser
- //
- this.labelUser.Location = new System.Drawing.Point(48, 32);
- this.labelUser.Name = "labelUser";
- this.labelUser.TabIndex = 7;
- this.labelUser.Text = "用户名";
- //
- // textBoxUser
- //
- this.textBoxUser.Location = new System.Drawing.Point(184, 32);
- this.textBoxUser.Name = "textBoxUser";
- this.textBoxUser.Size = new System.Drawing.Size(152, 21);
- this.textBoxUser.TabIndex = 1;
- this.textBoxUser.Text = "";
- //
- // Form1
- //
- this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
- this.ClientSize = new System.Drawing.Size(384, 277);
- this.Controls.Add(this.textBoxUser);
- this.Controls.Add(this.labelUser);
- this.Controls.Add(this.labelNote);
- this.Controls.Add(this.label3);
- this.Controls.Add(this.textBox2);
- this.Controls.Add(this.label2);
- this.Controls.Add(this.button1);
- this.Controls.Add(this.textBox1);
- this.Controls.Add(this.label1);
- this.Name = "Form1";
- this.Text = "错误提醒";
- this.ResumeLayout(false);
- }
- #endregion
- /// <summary>
- /// 应用程序的主入口点。
- /// </summary>
- [STAThread]
- static void Main()
- {
- Application.Run(new Form1());
- }
- private void button1_Click(object sender, System.EventArgs e)
- {
- if (this.textBoxUser.Text=="")
- {
- //设置指定控件的错误描述字符串,以下相同
- this.errorProvider1.SetError(this.textBoxUser,"请输入用户名");
- this.label3.Text="注册失败";
- }
- //先判断两个字符串是否相等,然后再判断它们的长度
- if (this.textBox1.Text!=this.textBox2.Text)
- {
- this.errorProvider1.SetError(this.textBox2,"您的确认密码和密码设置得不一样");
- this.label3.Text="注册失败";
- Reset();
- }
- else
- {
- if (this.textBox1.Text.Length<6)
- {
- this.errorProvider1.SetError(this.textBox2,"您输入的密码位数太少,请重新设定");
- this.label3.Text="注册失败";
- Reset();
- }
- else
- {
- if (this.textBox1.Text.Length>12)
- {
- this.errorProvider1.SetError(this.textBox2,"您输入的密码位数太长,请重新设定");
- this.label3.Text="注册失败";
- Reset();
- }
- else
- {
- //必须将错误提示字符串设为空,否则出现错误之后,即使再成功,错误图标也去不掉
- this.errorProvider1.SetError(this.textBox2,"");
- this.label3.Text="欢迎你 "+this.textBoxUser.Text+"!";
- }
- }
- }
- }
- private void Reset()
- {
- //如果发生了错误,则清空textBox1和textBox2的文本
- this.textBox1.Text="";
- this.textBox2.Text="";
- }
- }
- }