[英]How to get a reference to custom settings in webpart from a page within webpart?
我創建了一個Webpart,然后創建了第二個.cs頁面,該頁面將呈現自定義html。 它基本上只是一個顯示圖像的簡單頁面。 但是,在第二個.cs頁中,我需要訪問Web部件中的自定義設置。 單擊輔助頁面的鏈接后,如何訪問主Web部件中的自定義工具窗格設置?
第二頁是從VS 2010生成的,位於layouts文件夾中,如下所示:
public partial class GetFile : LayoutsPageBase
{
我想我必須從Web部件繼承一些東西才能做到這一點,但是真的不確定如何?
您可以使用SPLimitedWebPartManager
類訪問Web部件屬性,方法是閱讀頁面上的Web部件集合及其屬性,如下所示,
var web = SPContext.Current.Web;
var currentPageURL = "//URL of the page on which the Web part is present";
var page = web.GetFile(currentPageURL);
using (SPLimitedWebPartManager webPartManager = page.GetLimitedWebPartManager(PersonalizationScope.Shared))
{
try
{
var webPartList = from System.Web.UI.WebControls.WebParts.WebPart webPart in webPartManager.WebParts select webPart;
foreach (System.Web.UI.WebControls.WebParts.WebPart webPart in webPartList.ToList())
{
if (webPart.Title.ToLower() == "//Name of the web part for which you want to read the properties")
{
PropertyInfo[] wptProperties = webPart.GetType().GetProperties(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo property in wptProperties)
{
if (property.Name == "//Name of the web property which you want to get")
{
// Following code updates the web part property, you can also read it
property.SetValue(webPart, "value to be set", null);
webPartManager.SaveChanges(webPart);
break;
}
}
}
}
Response.Redirect(currentPageURL);
}
finally
{
webPartManager.Web.Dispose();
}
}
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