public WebDataSourceView(WebDataSource owner, string viewName)
: base(owner, viewName)
{
_owner = owner;
_viewName = viewName;
}
private WebDataSource GetMasterDataSource(WebDataSource owner)
{
if (owner.IsMaster)//当前就是Master
{
return owner;
}
else
{
if (owner.MasterDataSourceID == owner.ID)
{
//MasterDataSource不能是自己本身,会造成死循环
throw new Exception("MasterDataSource can not be self.");
}
Control parent = owner.Parent.FindControl(owner.MasterDataSourceID);
if (parent != null && parent is WebDataSource)
{
return GetMasterDataSource(parent as WebDataSource);//递归直到最顶层
}
else
{
throw new Exception(string.Format("can not find datasource:'{0}'", MasterDataSourceID));
}
}
}