怎样才能让这个自定义控件不刷新页面？？？在线等，谢谢！

[feixueOK]

public class QueryButton : System.Web.UI.WebControls.WebControl
{
private string _navigateUrl = string.Empty;
private string _imageUrl = string.Empty;

public QueryButton()
{
}
public string NavigateUrl
{
get
{
return _navigateUrl;
}
set
{
this._navigateUrl = value;
}
}

public string ImageUrl
{
get
{
return _imageUrl;
}
set
{
_imageUrl = value;
}
}
protected override void RenderContents(HtmlTextWriter writer)
{
base.RenderContents (writer);

if( this._imageUrl != null && this._navigateUrl != null)
{
writer.Write( "<input type=\"image\" onclick=\"javascript: Query();\" name=\"img_Sch\" id=\"img_Sch\" src=\"" + this._imageUrl + "\" align=\"AbsBottom\" border=\"0\" style=\"CURSOR:hand\" /><input type=\"submit\" name=\"btn_Sch\" value=\"查询\" onclick=\"javascript:Query();\" id=\"btn_Sch\" class=\"nonebutton\" style=\"color:Transparent;background-color:Transparent;border-color:Transparent;border-width:0px;border-style:None;width:30px;\" />" ) ;
}
}
怎样才能让这个自定义控件不刷新页面？？？谢谢！！！

[time_is_life]

<input type=\"submit\" 改成
<input type=\"button\"

[feixueOK]

不用用户控件来做了，现在用脚本来实现了，谢谢！