怎样在一个Form里对另一个Form里的控件进行操作?? 比如,在form2中对form1中的textBox1的text属性操作form1.textBox1.Text = "hello" 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 把那个控件传到你的子窗体中,然后随便操作。ss_Table_Edit addForm =new ss_Table_Edit(treeMenu);addForm.ShowDialog();public ss_Table_Edit(TreeView _treeMenu){.......} 下面这个一样的贴,也是楼主问的???http://community.csdn.net/Expert/topic/3497/3497195.xml?temp=.9861109 http://www.cnblogs.com/cowbird/archive/2004/08/02/29399.aspx define:public shared textbox txt as new .................form1.txt.text=???? 这是Form1的using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;namespace WindowsApplication3{ /// <summary> /// Form1 的摘要说明。 /// </summary> public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.Button button1; public System.Windows.Forms.TextBox textBox1; /// <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 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.button1 = new System.Windows.Forms.Button(); this.textBox1 = new System.Windows.Forms.TextBox(); this.SuspendLayout(); // // button1 // this.button1.Location = new System.Drawing.Point(24, 48); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(56, 24); this.button1.TabIndex = 0; this.button1.Text = "button1"; this.button1.Click += new System.EventHandler(this.button1_Click); // // textBox1 // this.textBox1.Location = new System.Drawing.Point(120, 56); this.textBox1.Name = "textBox1"; this.textBox1.Size = new System.Drawing.Size(120, 21); this.textBox1.TabIndex = 1; this.textBox1.Text = "textBox1"; // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(292, 158); this.Controls.Add(this.textBox1); this.Controls.Add(this.button1); this.Name = "Form1"; this.Text = "Form1"; this.Load += new System.EventHandler(this.Form1_Load); 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 Form1_Load(object sender, System.EventArgs e) { } private void button1_Click(object sender, System.EventArgs e) { Form2 newForm = new Form2(this); newForm.Show(); } }} 这是Form2的using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;namespace WindowsApplication3{ /// <summary> /// Form2 的摘要说明。 /// </summary> public class Form2 : System.Windows.Forms.Form { private System.Windows.Forms.Button button1; /// <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 // } private Form1 myForm; public Form2(Form1 frm) { myForm = frm; } /// <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.button1 = new System.Windows.Forms.Button(); this.SuspendLayout(); // // button1 // this.button1.Location = new System.Drawing.Point(80, 24); this.button1.Name = "button1"; this.button1.TabIndex = 0; this.button1.Text = "button1"; this.button1.Click += new System.EventHandler(this.button1_Click); // // Form2 // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(292, 102); this.Controls.Add(this.button1); this.Name = "Form2"; this.Text = "Form2"; this.ResumeLayout(false); } #endregion private void button1_Click(object sender, System.EventArgs e) { myForm.textBox1.Text = "aaa"; } }} 笨!Form2()中的InitializeComponent();语句没执行嘛;将 public Form2(Form1 frm) { myForm = frm; }改为 public Form2(Form1 frm)this() { myForm = frm; }多构造函数确保调用基类,可减少代码量 C# 代码如何实现 获取临时Ipv6地址 关于SqlDataAdapter插入数据到数据库的问题。 asp.net上传图片到数据库 c#摄像头共享问题 Jscript和Javascript的区别 做个大型网站,你选择C#还是j2ee? 链接错误,代码如下,麻烦高手看看! Unity 使用Bitmap.Save 崩溃 大神求解 请问要在.net 的web应用程序中使用mysql,应该如何配置呢? 请教制作安装包的问题!用.net2003自带的安装部署程序制作,如何运行自定义的.bat文件? 报表显示位置的小问题------高分请教! C#读写文件汉字乱码问题急?
addForm.ShowDialog();public ss_Table_Edit(TreeView _treeMenu)
{
.......
}
public shared textbox txt as new .................form1.txt.text=????
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;namespace WindowsApplication3
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Button button1;
public System.Windows.Forms.TextBox textBox1;
/// <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 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.button1 = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(24, 48);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(56, 24);
this.button1.TabIndex = 0;
this.button1.Text = "button1";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(120, 56);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(120, 21);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "textBox1";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(292, 158);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.button1);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
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 Form1_Load(object sender, System.EventArgs e)
{
} private void button1_Click(object sender, System.EventArgs e)
{
Form2 newForm = new Form2(this);
newForm.Show();
}
}
}
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;namespace WindowsApplication3
{
/// <summary>
/// Form2 的摘要说明。
/// </summary>
public class Form2 : System.Windows.Forms.Form
{
private System.Windows.Forms.Button button1;
/// <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
//
}
private Form1 myForm;
public Form2(Form1 frm)
{
myForm = frm;
} /// <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.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(80, 24);
this.button1.Name = "button1";
this.button1.TabIndex = 0;
this.button1.Text = "button1";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// Form2
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(292, 102);
this.Controls.Add(this.button1);
this.Name = "Form2";
this.Text = "Form2";
this.ResumeLayout(false); }
#endregion private void button1_Click(object sender, System.EventArgs e)
{
myForm.textBox1.Text = "aaa";
}
}
}
Form2()中的InitializeComponent();语句没执行嘛;
将
public Form2(Form1 frm)
{
myForm = frm;
}
改为
public Form2(Form1 frm)this()
{
myForm = frm;
}
多构造函数确保调用基类,可减少代码量