页面无限跳转间如何保存页面状态(2)

this[value.DataName] == null)
{
dataInfoList[index] = value;
}
else
{
throw new Exception("There have a DataInfo used this Name yet!");
}
}
}

public DataInfo this[string dataName]
{
get
{
for (int i = 0; i < dataInfoList.Count; i++)
{
if (this[i].DataName == dataName)
{
return this[i];
}
}
return null;
}
set
{
for (int i = 0; i < dataInfoList.Count; i++)
{
if (this[i].DataName == dataName)
{
this[i] = value;
return;
}
}
this.Add(value);
}
}

public void Remove(DataInfo value)
{
dataInfoList.Remove(value);
}

public void Remove(string dataName)
{
DataInfo dataInfo = this[dataName];
if (dataInfo != null)
{
dataInfoList.Remove(dataInfo);
}
}

public bool Contains(DataInfo value)
{
return dataInfoList.Contains(value);
}

public bool Contains(string dataName)
{
DataInfo datainfo = this[dataName];
if (datainfo != null)
{
return true;
}
return false;
}

public void Clear()
{
dataInfoList.Clear();
}

public int Add(DataInfo value)
{
if (this[value.DataName] == null)
{
return dataInfoList.Add(value);
}
else
{
throw new Exception("There have a DataInfo used this Name yet!");
}
}

public int Count
{
get
{
return dataInfoList.Count;
}
}
}

interface IPageInfo：这个接口用在页面中，以实现页面间的数据通信。
public interface IPageInfo
{
/// <summary>
/// 页面名
/// </summary>
string PageName
{
get;
}
/// <summary>
/// 获取数据信息
/// </summary>
DataInfoList DataInfos
{
get;
}

/// <summary>
/// 获取其他参数
/// </summary>
Hashtable OtherParams
{
get;
}
}


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关键词：页面无限跳转间如何保存页面状态(2)