事件代码放在函数中应该怎么处理

Question

 protected void LinkBt_Click(object sender, EventArgs e)
    {
        string LBName = ((ImageButton)sender).ID.ToString().Trim();
        switch (LBName)
        {
            case "ImageButton_Mp3":
                repeater_ringtone.DataSource = comc.GetDataSet(17).Tables[0];
                repeater_ringtone.DataBind();
                break;
            case "ImageButton_Japan":
                repeater_ringtone.DataSource = comc.GetJapaneseRingtones(PageSize, PageIndex, browseType);
                repeater_ringtone.DataBind();
                break;
            case "ImageButton_Corea":
                repeater_ringtone.DataSource = comc.GetKRingtones(PageSize, PageIndex, browseType);
                repeater_ringtone.DataBind();
                break;
            case "ImageButton_Eng":
                repeater_ringtone.DataSource = comc.getEnglishRingtones(PageSize, PageIndex, browseType);
                repeater_ringtone.DataBind();
                break;
        }
    }
想把里面的东西写在一个函数中，如下：
  private void BindKingtone()
    {
         string LBName = ((ImageButton)sender).ID.ToString().Trim();
        switch (LBName)
        {
            case "ImageButton_Mp3":
                repeater_ringtone.DataSource = comc.GetDataSet(17).Tables[0];
                repeater_ringtone.DataBind();
                break;
            case "ImageButton_Japan":
                repeater_ringtone.DataSource = comc.GetJapaneseRingtones(PageSize, PageIndex, browseType);
                repeater_ringtone.DataBind();
                break;
            case "ImageButton_Corea":
                repeater_ringtone.DataSource = comc.GetKRingtones(PageSize, PageIndex, browseType);
                repeater_ringtone.DataBind();
                break;
            case "ImageButton_Eng":
                repeater_ringtone.DataSource = comc.getEnglishRingtones(PageSize, PageIndex, browseType);
                repeater_ringtone.DataBind();
                break;
        }    }上面的事件就直接调用下面的函数，哪位高手指点一下，该怎么做呢

Answer 1

protected void LinkBt_Click(object sender, EventArgs e) 
{ 
    BindKingtone(sender)
}
private void BindKingtone(object sender) 
{
  ...
}

Answer 2

运行时会出错：无法将类型为“ASP.ringtones_aspx”的对象强制转换为类型“System.Web.UI.WebControls.ImageButton”。

Answer 3

protected void LinkBt_Click(object sender, EventArgs e) 
{ 
    string LBName = ((ImageButton)sender).ID.ToString().Trim(); 
    BindKingtone(LBName ) 
} 
private void BindKingtone(string LBName) 
{ 
  ... 
}

Answer 4

这样不就可以了
protected void LinkBt_Click(object sender, EventArgs e) 
    { 
        string LBName = ((ImageButton)sender).ID.ToString().Trim(); 
        BindKingtone(LBName);
    } 
private void BindKingtone(string LBName) 
    { 
        switch (LBName) 
        { 
            case "ImageButton_Mp3": 
                repeater_ringtone.DataSource = comc.GetDataSet(17).Tables[0]; 
                repeater_ringtone.DataBind(); 
                break; 
            case "ImageButton_Japan": 
                repeater_ringtone.DataSource = comc.GetJapaneseRingtones(PageSize, PageIndex, browseType); 
                repeater_ringtone.DataBind(); 
                break; 
            case "ImageButton_Corea": 
                repeater_ringtone.DataSource = comc.GetKRingtones(PageSize, PageIndex, browseType); 
                repeater_ringtone.DataBind(); 
                break; 
            case "ImageButton_Eng": 
                repeater_ringtone.DataSource = comc.getEnglishRingtones(PageSize, PageIndex, browseType); 
                repeater_ringtone.DataBind(); 
                break; 
        }     } 

Answer 5

但是我在别的事件中怎么知道这个LBName

Answer 6

别的事件？什么意思？同样道理：string LBName = ((ImageButton)sender).ID.ToString().Trim(); 

Answer 7

别的事件这样写的会出错的，无法将类型为“ASP.ringtones_aspx”的对象强制转换为类型“System.Web.UI.WebControls.ImageButton”。

Answer 8

        private void BindKingtone(object sender)
        {
            if (sender.GetType().Name = "ImageButton")   //判断是否是ImageButton
            {
                string LBName = ((ImageButton)sender).ID.ToString().Trim();
                switch (LBName)
                {
                    case "ImageButton_Mp3":
                        repeater_ringtone.DataSource = comc.GetDataSet(17).Tables[0];
                        repeater_ringtone.DataBind();
                        break;
                    case "ImageButton_Japan":
                        repeater_ringtone.DataSource = comc.GetJapaneseRingtones(PageSize, PageIndex, browseType);
                        repeater_ringtone.DataBind();
                        break;
                    case "ImageButton_Corea":
                        repeater_ringtone.DataSource = comc.GetKRingtones(PageSize, PageIndex, browseType);
                        repeater_ringtone.DataBind();
                        break;
                    case "ImageButton_Eng":
                        repeater_ringtone.DataSource = comc.getEnglishRingtones(PageSize, PageIndex, browseType);
                        repeater_ringtone.DataBind();
                        break;
                }
            }
        } 

Answer 9

其实主要是在分页和Page_Load事件中调用

Answer 10

那你在别的事件里把传给BindKingtone函数的参数设置下不就好了吗

Answer 11

把所有按钮的事件转到一个事件不就可以了？？？imagebutton1.Click +=new EventHandler(LinkBt_Click);
imagebutton2.Click +=new EventHandler(LinkBt_Click);
imagebutton3.Click +=new EventHandler(LinkBt_Click);
imagebutton4.Click +=new EventHandler(LinkBt_Click);以上是代码实现，如果在设计器内，别双击图片按钮，而是在属性窗口把按钮的Click事件绑定到同一个事件中。