0
我正在寫ASP.NET/C#項目,它是一個簡單的博客頁面與commnents。 問題我在點擊按鈕時看到的評論加載了原始blogload加上博客和評論,試圖讓它加載僅選中的博客/評論。 如果我嘗試不在page_load中加載博客,或者只有在不回顯時纔會顯示任何內容。任何幫助,將不勝感激。 PS我知道有很多博客引擎,但有特定的原因。什麼時候在ASP.NET中呈現頁面?
protected void Page_Init(object sender, EventArgs e)
{
//ParseControls(GlobalVar.pathxsltver);
// BindInfo();
}
private void ParseControls(string myxslt)
{
//load the data
FileStream fs = new FileStream(Server.MapPath (GlobalVar.compathver), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
DataSet dset = new DataSet();
dset.ReadXml(fs);
fs.Close();
XPathDocument xdoc = new XPathDocument(Server.MapPath(GlobalVar.pathver));
XmlDocument mydoc = new XmlDocument();
XPathNavigator navigator = xdoc.CreateNavigator();
XPathExpression expression = navigator.Compile("BlogItems/Blog");
expression.AddSort("ID", XmlSortOrder.Descending, XmlCaseOrder.UpperFirst, string.Empty, XmlDataType.Text);
XPathNodeIterator iterator = navigator.Select(expression);
int TheCnt = 0;
int cnt = GlobalVar.BlogCntDisplay;
string st = "<BlogItems>";
foreach (XPathNavigator item in iterator)
{
TheCnt++;
string sid = item.SelectSingleNode("ID").Value;
st = st + "<Blog id=\"" + sid + "\">" + item.InnerXml;
st = st + "<ComCnt>" + MyFunc.CountComments (sid,dset) + "</ComCnt></Blog>";
if (TheCnt == cnt) { break; }
}
st = st + "</BlogItems>";
mydoc.LoadXml(st);
XslCompiledTransform transform = new XslCompiledTransform();
XsltSettings settings = new XsltSettings(true,true);
transform.Load(Server.MapPath(myxslt),settings,null);
StringWriter sw = new StringWriter();
transform.Transform(mydoc, null, sw);
string result = sw.ToString();
//remove namespace
result = result.Replace("xmlns:asp=\"remove\"", "");
//parse control
Control ctrl = Page.ParseControl(result);
//find control to add event handler
//Boolean test = phBlog.FindControl("btnComment2").i;
phBlog.Controls.Add(ctrl);
XmlNodeList nList = mydoc.SelectNodes("//BlogItems/Blog/ID");
foreach (XmlNode objNode in nList)
{
Button btnComment = (Button) phBlog.FindControl("btnComment"+objNode.InnerText);
btnComment.CommandArgument = objNode.InnerText ;
btnComment.BorderWidth = 0 ;
btnComment.Command += new CommandEventHandler(Button1_Click);
}
}
protected void Page_Load(object sender, EventArgs e)
{
//if (!Page.IsPostBack)
//{ParseControls(GlobalVar.pathxsltver);}
ParseControls(GlobalVar.pathxsltver);
}
protected void Button1_Click(object sender, CommandEventArgs e)
{
Label1.Text = "Comm hit : " + e.CommandArgument.ToString();
ParseControls(GlobalVar.blogcommentsver);
}