form2.cs

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

namespace LoginDemo
{
	/// <summary>
	/// Form2 的摘要说明。
	/// </summary>
	public class Form2 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox _txtuserinfo;
		private System.Windows.Forms.Button _btnreturn;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form2()
		{
			//
			// 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
			//
		}
		public string _name;
		public Form2(string name)
		{
			InitializeComponent();
			_name=name;
		}
		public Form1 f11;
		public Form2(Form1 f1)
		{
			f11=f1;
			InitializeComponent();
//			this._txtuserinfo.Text=f1._txtName.Text;
		}
		/// <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.label1 = new System.Windows.Forms.Label();
			this._txtuserinfo = new System.Windows.Forms.TextBox();
			this._btnreturn = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(80, 40);
			this.label1.Name = "label1";
			this.label1.TabIndex = 0;
			this.label1.Text = "欢迎光临";
			// 
			// _txtuserinfo
			// 
			this._txtuserinfo.Location = new System.Drawing.Point(80, 80);
			this._txtuserinfo.Name = "_txtuserinfo";
			this._txtuserinfo.ReadOnly = true;
			this._txtuserinfo.TabIndex = 1;
			this._txtuserinfo.Text = "";
			// 
			// _btnreturn
			// 
			this._btnreturn.Location = new System.Drawing.Point(96, 128);
			this._btnreturn.Name = "_btnreturn";
			this._btnreturn.TabIndex = 2;
			this._btnreturn.Text = "返回";
			this._btnreturn.Click += new System.EventHandler(this._btnreturn_Click);
			// 
			// Form2
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(292, 266);
			this.Controls.Add(this._btnreturn);
			this.Controls.Add(this._txtuserinfo);
			this.Controls.Add(this.label1);
			this.Name = "Form2";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "主窗体";
			this.Load += new System.EventHandler(this.Form2_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void _btnreturn_Click(object sender, System.EventArgs e)
		{
			this.Visible=false;
			Form1 f1=new Form1();
			f1.Show();
		}

		private void Form2_Load(object sender, System.EventArgs e)
		{
//			this._txtuserinfo.Text=this._name;
			this._txtuserinfo.Text=f11._txtName.Text;
		}
	}
}