大约有 12,000 项符合查询结果（耗时：0.0326秒） [XML]
Setting a property by reflection with a string value
...e types you will start receiving InvalidCastExceptions:
http://weblogs.asp.net/pjohnson/archive/2006/02/07/Convert.ChangeType-doesn_2700_t-handle-nullables.aspx
A wrapper was written a few years ago to handle this but that isn't perfect either.
http://weblogs.asp.net/pjohnson/archive/2006/...
System.Net.Http: missing from namespace? (using .net 4.5)
...
NuGet > Microsoft.AspNet.WebApi.Client package
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How do I turn a C# object into a JSON string in .NET?
...oft.com/en-us/library/system.web.script.serialization.javascriptserializer.aspx.
– rzelek
Feb 1 '16 at 15:12
9
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How do you tell the Visual Studio project type from an existing Visual Studio project
...ary</OutputType>
and do NOT contain a
<ProjectTypeGuids>
ASP.NET and WCF projects contain:
<ProjectTypeGuids>{603c0e0b-db56-11dc-be95-000d561079b0};{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>
<OutputType>Librar...
How to use GROUP BY to concatenate strings in SQL Server?
...s
(
select OUTPUTID, convert(varchar(max),combined), 1 from cte where rn=1
union all
select cte2.outputid, convert(varchar(max),cte2.finalstatus+', '+cte.combined), cte2.rn+1
from cte2
inner join cte on cte.OUTPUTID = cte2.outputid and cte.rn=cte2.rn+1
)
select outputid, MAX(finalstatus) from cte2 g...
SQL how to make null values come last when sorting ascending
...d to compare the column in question to another date column. I use this for union seniority list. If employee has a Qualified date (which is nullable) , that date bubbles record to the top, otherwise use HireDate. Using ORDER BY ISNULL(QualifiedDate,'1-1-2099') , HireDate ,LastName, etc makes the Qu...
Designer Added then removed by Visual Studio on load/unload
...gt; changes the behaviour for Web.config.
We use WebDeploy to publish web service files.
If SubType is set for Web.config - it publishes this file correctly under the main directory where all content files go and .svc.
If SubType is not set - it does above but also copies Web.config under bin\ su...
How do I get the size of a java.sql.ResultSet?
...CHAR "
+from_where
+"UNION ALL "//the "ALL" part prevents internal re-sorting to prevent duplicates (and we do not want that)
+"select cast(null as int)as RECORDCOUNT,"
+ "MYBOOL,MYINT,M...
How to extract extension from filename string in Javascript? [duplicate]
...hat case IMO. If you want an empty string instead, you'll need to use an (gasp!) if statement. Also, if using node.js with JavaScript, see the "path" built-in module.
– Jon Watte
Jul 19 '11 at 3:14
...
Connection timeout for SQL server
... configured. This is probably a red herring. When working with WCF and web services, though, I've had issues with unclosed connections causing timeouts and other unpredictable behavior.
Things to try:
Do you get a timeout when connecting to the server with SQL Management Studio? If so, network ...