Since .NET 4.5 the Validators use data-attributes and bounded Javascript to do the validation work, so .NET expects you to add a script reference for jQuery. There are two possible ways to solve the error: Disable UnobtrusiveValidationMode: Add this to web.config: It will work as it worked in previous .NET versions and will just add the … Read more
You can use String.Join. If you have a List<string> then you can call ToArray first: In .NET 4 you don’t need the ToArray anymore, since there is an overload of String.Join that takes an IEnumerable<string>. Results: John, Anna, Monica
I was looking at this issue as well, and in my case the solution was too easy. I added a new empty project to the solution. The newly added project is automatically set as a console application. But since the project added was a ’empty’ project, no Program.cs existed in that new project. (As expected) … Read more
The error is self explanatory. The path you are trying to access is not present. I’m sure that this is not the correct path. Debug folder directly in E: drive looks wrong to me. I guess there must be the project name folder directory present. Second thing; what is {0} in your string. I am sure that it is an argument … Read more
Is it pausing, but you don’t see your red color appear in the cell? Try this:
Your regex ^[0-9] matches anything beginning with a digit, including strings like “1A”. To avoid a partial match, append a $ to the end: This accepts any number of digits, including none. To accept one or more digits, change the * to +. To accept exactly one digit, just remove the *. UPDATE: You mixed up the arguments to IsMatch. The pattern should be the second argument, … Read more
In C# 7 and above, see this answer. In previous versions, you can use .NET 4.0+’s Tuple: For Example: Tuples with two values have Item1 and Item2 as properties.
OK I seem to have found the cause just by sheer luck and its nothing wrong with that particular method, it’s further back up the call stack. Earlier I resize the image and as part of that method I return the resized object as follows. I have inserted two calls to the above method and … Read more
You can use Enumerable.Any: If the list could be null you could use: