本文整理汇总了C#中System.Web.UI.WebControls.WebParts.RowToFieldTransformer类的典型用法代码示例。如果您正苦于以下问题：C# RowToFieldTransformer类的具体用法？C# RowToFieldTransformer怎么用？C# RowToFieldTransformer使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
RowToFieldTransformer类属于System.Web.UI.WebControls.WebParts命名空间，在下文中一共展示了RowToFieldTransformer类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: RowProviderWebPart
//引入命名空间
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Reflection;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
//This sample code creates a Web Parts control that acts as a provider of row data.
namespace Samples.AspNet.CS.Controls
{
public sealed class RowProviderWebPart : WebPart, IWebPartRow
{
private DataTable _table;
public RowProviderWebPart()
{
_table = new DataTable();
DataColumn col = new DataColumn();
col.DataType = typeof(string);
col.ColumnName = "Name";
_table.Columns.Add(col);
col = new DataColumn();
col.DataType = typeof(string);
col.ColumnName = "Address";
_table.Columns.Add(col);
col = new DataColumn();
col.DataType = typeof(int);
col.ColumnName = "ZIP Code";
_table.Columns.Add(col);
DataRow row = _table.NewRow();
row["Name"] = "John Q. Public";
row["Address"] = "123 Main Street";
row["ZIP Code"] = 98000;
_table.Rows.Add(row);
}
[ConnectionProvider("Row")]
public IWebPartRow GetConnectionInterface()
{
return new RowProviderWebPart();
}
public PropertyDescriptorCollection Schema
{
get
{
return TypeDescriptor.GetProperties(_table.DefaultView[0]);
}
}
public void GetRowData(RowCallback callback)
{
callback(_table.DefaultView[0]);
}
}
}示例2: GetFieldValue
//引入命名空间
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Reflection;
using System.Web;
using System.Web.UI;
using System.Security.Permissions;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
namespace Samples.AspNet.CS.Controls
{
// This sample code creates a Web Parts control that acts
// as a consumer of an IField interface.
// A consumer WebPart control that consumes strings.
[AspNetHostingPermission(SecurityAction.Demand,
Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand,
Level = AspNetHostingPermissionLevel.Minimal)]
public class FieldConsumerWebPart : WebPart
{
private IWebPartField _provider;
private object _fieldValue;
private void GetFieldValue(object fieldValue)
{
_fieldValue = fieldValue;
}
public bool ConnectionPointEnabled
{
get
{
object o = ViewState["ConnectionPointEnabled"];
return (o != null) ? (bool)o : true;
}
set
{
ViewState["ConnectionPointeEnabled"] = value;
}
}
protected override void OnPreRender(EventArgs e)
{
if (_provider != null)
{
_provider.GetFieldValue(new FieldCallback(GetFieldValue));
}
base.OnPreRender(e);
}
protected override void RenderContents(HtmlTextWriter writer)
{
if (_provider != null)
{
PropertyDescriptor prop = _provider.Schema;
if (prop != null && _fieldValue != null)
{
writer.Write(prop.DisplayName + ": " + _fieldValue);
}
else
{
writer.Write("No data");
}
}
else
{
writer.Write("Not connected");
}
}
[ConnectionConsumer("Field")]
public void SetConnectionInterface(IWebPartField provider)
{
_provider = provider;
}
private class FieldConsumerConnectionPoint : ConsumerConnectionPoint
{
public FieldConsumerConnectionPoint(MethodInfo callbackMethod, Type interfaceType, Type controlType,
string name, string id, bool allowsMultipleConnections)
: base(callbackMethod, interfaceType, controlType,
name, id, allowsMultipleConnections)
{
}
public override bool GetEnabled(Control control)
{
return ((FieldConsumerWebPart)control).ConnectionPointEnabled;
}
}
}
}