大约有 40,000 项符合查询结果(耗时:0.0359秒) [XML]
The type initializer for 'MyClass' threw an exception
...nstance of an object." i am checking for it
– gofor.net
Dec 9 '10 at 12:59
2
...
Wait until file is unlocked in .NET
...ading and renaming? For example, is there a WaitOnFile() somewhere in the .NET Framework?
15 Answers
...
DateTime “null” value
...
If you're using .NET 2.0 (or later) you can use the nullable type:
DateTime? dt = null;
or
Nullable<DateTime> dt = null;
then later:
dt = new DateTime();
And you can check the value with:
if (dt.HasValue)
{
// Do something...
How to use z-index in svg elements?
...t object to be drawn. So swap the two elements.
<svg xmlns="http://www.w3.org/2000/svg" viewBox="30 70 160 120">
<!-- First draw the orange circle -->
<circle fill="orange" cx="100" cy="95" r="20"/>
<!-- Then draw the green circle over the current canvas --&...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
...Priv_%batchName%.vbs"
setlocal EnableDelayedExpansion
:checkPrivileges
NET FILE 1>NUL 2>NUL
if '%errorlevel%' == '0' ( goto gotPrivileges ) else ( goto getPrivileges )
:getPrivileges
if '%1'=='ELEV' (echo ELEV & shift /1 & goto gotPrivileges)
ECHO.
ECHO *******************...
Replace line break characters with in ASP.NET MVC Razor view
...
Update:
According to marcind's comment on this related question, the ASP.NET MVC team is looking to implement something similar to the <%: and <%= for the Razor view engine.
Update 2:
We can turn any question about HTML encoding into a discussion on harmful user inputs, but enough of that ...
How to implement custom JsonConverter in JSON.NET to deserialize a List of base class objects?
I am trying to extend the JSON.net example given here
http://james.newtonking.com/projects/json/help/CustomCreationConverter.html
...
how to edit .csproj file
When I am compiling my .csproj file using .NET framework 4.0 MSBUILD.EXE file I am getting an error "lable01" not found in the current context of "website01.csproj"
...
Asp.net - Add blank item at top of dropdownlist
...or add it after databinding.
EDIT:
After googling this quickly as of ASP.Net 2.0 there's an "AppendDataBoundItems" true property that you can set to...append the databound items.
for details see
http://imar.spaanjaars.com/QuickDocId.aspx?quickdoc=281 or
http://msdn.microsoft.com/en-us/library/...
How do I load an HTML page in a using JavaScript?
...ad_home (e) {
(e || window.event).preventDefault();
fetch("http://www.yoursite.com/home.html" /*, options */)
.then((response) => response.text())
.then((html) => {
document.getElementById("content").innerHTML = html;
})
.catch((error) => {
console.w...
