本文整理匯總了C#中System.Web.UI.WebControls.WebParts.WebPartTransformerAttribute類的典型用法代碼示例。如果您正苦於以下問題：C# WebPartTransformerAttribute類的具體用法？C# WebPartTransformerAttribute怎麽用？C# WebPartTransformerAttribute使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
WebPartTransformerAttribute類屬於System.Web.UI.WebControls.WebParts命名空間，在下文中一共展示了WebPartTransformerAttribute類的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: GetRowData
// A transformer that transforms a row to a string.
[AspNetHostingPermission(SecurityAction.Demand,
Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand,
Level = AspNetHostingPermissionLevel.Minimal)]
[WebPartTransformer(typeof(IWebPartRow), typeof(IString))]
public class RowToStringTransformer : WebPartTransformer, IString
{
private IWebPartRow _provider;
private StringCallback _callback;
private void GetRowData(object rowData)
{
PropertyDescriptorCollection props = _provider.Schema;
if (props != null && props.Count > 0 && rowData != null)
{
string returnValue = String.Empty;
foreach (PropertyDescriptor prop in props)
{
if (prop != props[0])
{
returnValue += ", ";
}
returnValue += prop.DisplayName + ": " + prop.GetValue(rowData);
}
_callback(returnValue);
}
else
{
_callback(null);
}
}
public override object Transform(object providerData)
{
_provider = (IWebPartRow)providerData;
return this;
}
void IString.GetStringValue(StringCallback callback)
{
if (callback == null)
{
throw new ArgumentNullException("callback");
}
if (_provider != null)
{
_callback = callback;
_provider.GetRowData(new RowCallback(GetRowData));
}
else
{
callback(null);
}
}
}