C# winform编程，怎么遍历textbox 控件？

Question

C# winform编程，怎么遍历textbox 控件？

Answer 1

foreach(Control   txt   in   Form.Controls)   
  {   
        if(txt   is   TextBox)   
        {   
            ................  
        }   
    
  }

Answer 2

foreach(Control   c   in   this.Controls)   
    {   
      if(c   is   TextBox)   
      {   
       ..... 
      } 
     }  

Answer 3

Form1()
{
  Foo(this.Controls);
}void Foo(Control.ControlCollection ctls)
{
  foreach (Control ctl in ctls)  
  {  
    if (ctl is TextBox)  
    {  
      // 对 TextBox 进行操作
    }
    else if (ctl.Controls != null) Foo(ctl.Controls); // 递归遍历子控件
  }  
}

Answer 4

我来写个js的 呵呵txtCount=0;
obj=document.getElementByTagName("input")
for (i=0;i<obj.length;i++)
{
    if (obj.type="text")
    {
       txtCount=txtCount+1;
    }
}

Answer 5

int i = 0;
foreach (System.Windows.Forms.Control control in this.Controls)   
   {   
    if (control is System.Windows.Forms.TextBox)   
    {   
        i++;
    }   
   }  
messagebox.show(i.tostring());

Answer 6

上面代码 写错了
 if   (obj.type== "text ") 
少了个等于号

Answer 7

用这个，如果有容器的话也要遍历容器里面的TextBox控件

Answer 8

 public void FindControl(Control.ControlCollection  c)
         {
            foreach (System.Windows.Forms.Control control in c)
            { 
              if (control.HasChildren)
              {
                  FindControl(control.Controls);
              } 
              else
              {
              if (control is System.Windows.Forms.TextBox) 
              { 
                System.Windows.Forms.TextBox tb = (System.Windows.Forms.TextBox)control;               }
              }
            }
        }

Answer 9

  foreach (System.Windows.Forms.Control control in this.Controls)
            {
                if (control is System.Windows.Forms.TextBox)
                {
                   
                }
            }

Answer 10

  foreach (Control c in this.groupBox1.Controls)
            {
 if (c is textButton)
                {
                   
                    ....              
                }
}

Answer 11

到网上找到一个较好答案了，多谢各位观注。
//----------------------------------------------------
        private void OperateControls(Control control)
        {
            foreach (Control c in control.Controls)
            {
                if (c is Panel)
                {
                    OperateControls(c);
                }
                if (c is GroupBox)
                {
                    OperateControls(c);
                }
                if (c is TextBox)
                {
                    //   它是   TextBox,   要干什么随便你   
                    c.Text="";
                }
            }
        }   
//调用------------------------------------
  OperateControls(this);