Vb.net 如何在回发期间持久保存XMLDocument?
如何在回发时预先列出XML文档 我要在SaveViewState()方法中保留此xmlDocument: 在我的页面中加载Vb.net 如何在回发期间持久保存XMLDocument?,vb.net,postback,xmldocument,persist,Vb.net,Postback,Xmldocument,Persist,如何在回发时预先列出XML文档 我要在SaveViewState()方法中保留此xmlDocument: 在我的页面中加载 If Not IsPostBack Then Me._xmlSaveDispatch = New XmlDocument Private Property XMLSaveDispatch As XmlDocument Get Return _xmlSaveDispatch End Get Set(value As XmlDocume
If Not IsPostBack Then
Me._xmlSaveDispatch = New XmlDocument
Private Property XMLSaveDispatch As XmlDocument
Get
Return _xmlSaveDispatch
End Get
Set(value As XmlDocument)
_xmlSaveDispatch = value
End Set
End Property
Button Click Event:
Protected Sub dispatchButton_OnSave(sender As Object, e As EventArgs) _
Handles dispatchButtons.SaveDispatch
XMLSaveDispatch = _objDispatchInfo.GetSaveXML()
End Sub
我正在编写一个C#应用程序,遇到了同样的问题(asp:Xml标记在回发之间不存在)。下面是我在C#中保存它的代码:
/.aspx演示文稿
//.aspx.cs代码隐藏
私有字符串formXSLT
{
获取{return ViewState[“FormXSLT”].ToString();}
设置{ViewState[“FormXSLT”]=value;}
}
私有字符串formXML
{
获取{return ViewState[“FormXML”].ToString();}
设置{ViewState[“FormXML”]=value;}
}
受保护的无效页面加载(对象发送方、事件参数e)
{
如果(!IsPostBack)
{
...
}
xmlFormDisplay.TransformSource=formXSLT;
xmlFormDisplay.DocumentContent=formXML;
}
我不是一个很好的VB开发人员,但这应该是可行的(或者非常接近):
/.aspx演示文稿
//.aspx.vb代码隐藏
私有属性FormXSLT作为字符串
得到
返回ViewState[“FormXSLT”].ToString()
结束
设置(值为字符串)
ViewState[“FormXSLT”]=值
端集
端属性
私有属性FormXML作为字符串
得到
返回ViewState[“FormXML”].ToString()
结束
设置(值为字符串)
ViewState[“FormXML”]=值
端集
端属性
受保护的子页加载(ByVal sender作为对象,ByVal e作为System.EventArgs)处理Me.Load
如果不是的话,我会回来的
...
如果结束
xmlFormDisplay.TransformSource=formXSLT
xmlFormDisplay.DocumentContent=formXML
端接头
这是VB.NET和ASP.NET吗?问题还不清楚。您试图从浏览器发送什么以及希望您保留什么?很抱歉,问题不清楚:我有XML文档,在按钮单击时加载和XML字符串…但该按钮是服务器按钮,它确实回发并丢失了值。我想持久保存该XML文档?您能否只共享显示按钮点击处理程序的代码,并将其添加到您的问题中?Private?xmlSaveDispatch As XmlDocument In my Page?Load。。。如果不是IsPostBack,则为Me._xmlSaveDispatch=New XmlDocument私有属性xmlSaveDispatch As XmlDocument Get Return _xmlsavedispatchend Get Set(值为XmlDocument)_xmlsavespatch=value End Set End Property Button Click Event:Protected Sub dispatchButton_OnSave(发送方作为对象,e作为事件参数)处理dispatchButton.SaveDispatch xmlsavespatch=_objDispatchInfo.GetSaveXML()End Subthis不起作用。什么东西被发回了?领域?文件夹?GetSaveXml在做什么?
If Not IsPostBack Then
Me._xmlSaveDispatch = New XmlDocument
Private Property XMLSaveDispatch As XmlDocument
Get
Return _xmlSaveDispatch
End Get
Set(value As XmlDocument)
_xmlSaveDispatch = value
End Set
End Property
Button Click Event:
Protected Sub dispatchButton_OnSave(sender As Object, e As EventArgs) _
Handles dispatchButtons.SaveDispatch
XMLSaveDispatch = _objDispatchInfo.GetSaveXML()
End Sub
//.aspx Presentation
<asp:Xml ID="xmlFormDisplay" runat="server"></asp:Xml>
//.aspx.cs Code Behind
private string formXSLT
{
get { return ViewState["FormXSLT"].ToString(); }
set { ViewState["FormXSLT"] = value; }
}
private string formXML
{
get { return ViewState["FormXML"].ToString(); }
set { ViewState["FormXML"] = value; }
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
...
}
xmlFormDisplay.TransformSource = formXSLT;
xmlFormDisplay.DocumentContent = formXML;
}
//.aspx Presentation
<asp:Xml ID="xmlFormDisplay" runat="server"></asp:Xml>
//.aspx.vb Code Behind
Private Property FormXSLT As String
Get
Return ViewState["FormXSLT"].ToString()
End Get
Set(value As String)
ViewState["FormXSLT"] = value
End Set
End Property
Private Property FormXML As String
Get
Return ViewState["FormXML"].ToString()
End Get
Set(value As String)
ViewState["FormXML"] = value
End Set
End Property
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Then
...
End If
xmlFormDisplay.TransformSource = formXSLT
xmlFormDisplay.DocumentContent = formXML
End Sub