asp.net 统计Panel里有多少个控件多种方法

asp.net 统计panel里有多少个控件多种方法

foreach(control c in panel1.controls)
{
  if (c is textbox)
  {
  if(c.clientid=="已知的id") 
  {}  
  }
}

'方法二
panel1.controls.count;

foreach(control con in panel1.controls)
        {
            if (con is checkbox)
            {
                checkbox cb = (checkbox)con;
                cb.checked = true;
            }
        }

'来一个查找textbox的

    private void cleartextbox() 
  { 
     foreach (system.web.ui.control control in this.controls) 
      { 
         for (int i = 0; i < control.controls.count; i++) 
           { 
              if (control.controls[i] is system.web.ui.webcontrols.textbox) 
             { 
                system.web.ui.webcontrols.textbox tbx = (system.web.ui.webcontrols.textbox)control.controls[i]; 
                 tbx.text = ""; 
             } 
           } 
      } 
   }
  
'

gridview行绑定时
  protected void gridview1_rowdatabound(object sender, gridviewroweventargs e)
  {

  for (int i = 0; i < gridview1.rows.count; i++)
  {
  //首先判断是否是数据行
  if (e.row.rowtype == datacontrolrowtype.datarow)
  {
  //当鼠标停留时更改背景色
  e.row.attributes.add("onmouseover", "c=this.style.backgroundcolor;this.style.backgroundcolor='#00a9ff'");
  //当鼠标移开时还原背景色
  e.row.attributes.add("onmouseout", "this.style.backgroundcolor=c");

  }
  }

  if (e.row.rowtype == datacontrolrowtype.datarow)
  {
  //判断行的类型
  if (e.row.rowstate == datacontrolrowstate.normal || e.row.rowstate == datacontrolrowstate.alternate)
  {
  //对话框
  ((linkbutton)e.row.cells[7].controls[0]).attributes.add("onclick", "javascript:return confirm('你确认要删除：《" + e.row.cells[0].text + "》 这本书吗?')");

  }
  }

  }%>