大约有 3,100 项符合查询结果(耗时:0.0201秒) [XML]
How to find out if a file exists in C# / .NET?
					...ath)
MSDN: http://msdn.microsoft.com/en-us/library/system.io.file.exists.aspx
Edit: In System.IO
    
    
        
            
            
                
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							Public free web services for testing soap client [closed]
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There is a bunch on here:
http://www.webservicex.net/WS/wscatlist.aspx
Just google for "Free WebService" or "Open WebService" and you'll find tons of open SOAP endpoints.
Remember, you can get a WSDL from any ASMX endpoint by adding ?WSDL to the url.
    
    
        
            
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							C# generics syntax for multiple type parameter constraints [duplicate]
					...BaseTwo
More info here:
http://msdn.microsoft.com/en-us/library/d5x73970.aspx
    
    
        
            
            
                
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							Content-Disposition:What are the differences between “inline” and “attachment”?
					... User Credentials Prompt.
see this link:
http://forums.asp.net/t/1885657.aspx/1?Access+the+SSRS+Report+in+excel+format+on+server
somebody tried to deliver an Excel Report from SSRS via ASP.Net -> the user always got prompted to enter the credentials. After clicking cancel on the prompt it woul...				
				
				
							Escape curly brace '{' in String.Format [duplicate]
					...is, "{{" or "}}".</quote>  msdn.microsoft.com/en-us/library/b1csw23d.aspx
                
– Ben Voigt
                Sep 22 '10 at 21:49
            
        
    
    
        
            
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							C# '@' before a String [duplicate]
					... be treated literally. msdn.microsoft.com/en-us/library/362314fe(v=VS.100).aspx explains further and gives examples.
                
– Mark Avenius
                Feb 2 '11 at 20:12
                        
                            
                        
            
        
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							Log.INFO vs. Log.DEBUG [closed]
					...und on http://www.beefycode.com/post/Log4Net-Tutorial-pt-1-Getting-Started.aspx 
    
    
        
            
            
                
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							Difference between datetime and timestamp in sqlserver? [duplicate]
					...s-vs-datetime-data-types
http://msdn.microsoft.com/en-us/library/ms182776.aspx
    
    
        
            
            
                
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							Correct way to check if a type is Nullable [duplicate]
					... at the below MSDN link:
http://msdn.microsoft.com/en-us/library/ms366789.aspx
Moreover, there is a similar discussion at this SO QA:
How to check if an object is nullable?
    
    
        
            
            
                
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							How do I interpolate strings?
					...ave a look at http://msdn.microsoft.com/en-us/library/system.string.format.aspx for more details.
    
    
        
            
            
                
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