/// <summary>根据字段查找指定ID的控件，采用反射字段的方法，避免遍历Controls引起子控件构造</summary>
/// <typeparam name="T"></typeparam>
/// <param name="control">容器</param>
/// <param name="id"></param>
/// <returns></returns>
public static T FindControlByField <T>(Control control, String id) where T : Control
{
if (control == null)
{
return(null);
}
FieldInfoX fix = null;
if (!String.IsNullOrEmpty(id))
{
fix = FieldInfoX.Create(control.GetType(), id);
}
else
{
Type t = typeof(T);
FieldInfo fi = control.GetType().GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic).FirstOrDefault(item => item.FieldType == t);
if (fi != null)
{
fix = FieldInfoX.Create(fi);
}
}
if (fix == null)
{
return(null);
}
return(fix.GetValue(control) as T);
}
protected void Page_Load(object sender, EventArgs e)
{
FieldInfoX fix = FieldInfoX.Create(Page.GetType(), "Manager");
if (fix != null)
{
IManagePage manager = fix.GetValue(Page) as IManagePage;
if (manager != null)
{
Title = manager.CurrentMenu.Name;
//Response.Write(Title);
Navigation = manager.Navigation;
}
}
bool IsShowToolBar = DmFramework.Web.WebHelper.RequestBool("SetToolBar");
if (!String.IsNullOrEmpty(Request["SetToolBar"]) && !IsShowToolBar)
{
SetToolBar(this, IsShowToolBar);
}
}
/// <summary>在页面查找指定ID的控件，采用反射字段的方法，避免遍历Controls引起子控件构造</summary>
/// <typeparam name="T"></typeparam>
/// <param name="id"></param>
/// <returns></returns>
public static T FindControlInPage <T>(String id) where T : Control
{
if (HttpContext.Current == null)
{
return(null);
}
IHttpHandler handler = HttpContext.Current.Handler;
if (handler == null)
{
return(null);
}
FieldInfoX fix = null;
if (!String.IsNullOrEmpty(id))
{
fix = FieldInfoX.Create(handler.GetType(), id);
}
else
{
Type t = typeof(T);
FieldInfo fi = handler.GetType().GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic).FirstOrDefault(item => item.FieldType == t);
if (fi != null)
{
fix = FieldInfoX.Create(fi);
}
}
if (fix == null)
{
return(null);
}
return(fix.GetValue(handler) as T);
}
