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Allow parameter to have more than one value? for example value 1|| value 2 (C#,Light switch)

in my project "Light switch C#", I have a button which take me to a certain screen. The screen take one parameter of type string, for example "Office-Italy","Office- Germany"
My code:
enter code here
partial void HQ_Execute()
{
// Write your code here.
this.Application.ShowPart_1_SearchBalanceGreaterZero("IC-MOS");
}
now the question here is, I have 12 office and when I press the HQ (Head office) button I want my filter to be something like *. in other words I want my filter to have this value
this.Application.ShowPart_1_SearchBalanceGreaterZero("IC-MOS"||"IC-IT")
is this possible by anyhow?
Thanks a lot,
Zayed

No, a parameter can't have more than one value. So you'll need to change your method to accommodate what you need, e.g. by changing the parameter so that it's a collection of strings instead of a single string.
You could change the implementation instead, e.g. to allow you to pass "IC-MOS,IC-IT" and split it by commas - but it's clearer (IMO) to specify the values separately.

Other than what have been already mentioned in Jon's answer; you can pass your value as a single string and in destination method break and parse them accordingly. Something like
this.Application.ShowPart_1_SearchBalanceGreaterZero("IC-MOS|IC-IT")
In your method body
void ShowPart_1_SearchBalanceGreaterZero(string data)
{
string[] strarr = data.Split('|');
//now use the data string array the way you want
}

Reverse RegExp from user entered string ( C#)

Is it possible to generate regular expressions from a user entered string? Are there any C# libraries to do this?
For example a user enters a string e.g. ABCxyz123 and the C# code automatically generates [A-Z]{3}[a-z]{3}\d{3}.
This is a simple string but we could have more complicated strings like
MON-0123/AB/5678-abc 2/7
Or
1234-678/abc::1234ABC?246
I already have a string tokeniser (from a previous stackoverflow question) so I could construct a regex from the list of tokens.
But I was wondering if there is a lib or C# code out there that’ll do it.
Edit: Important, I should of also said: It's not the actual character in the string that are important but the type of character and how many.
e.g A user could enter a "pattern" string of ABCxyz123.
This would be interpreted as
3 upper case alphas followed by
3 lower case alphas followed by
3 digits
So other users (when complied) must enter strings that match that pattern [A-Z]{3}[a-z]{3}\d{3}., e.g. QAZplm789
It's the format of user entered strings that's need to be checked not the actual content if that makes sense

Jerry has a related link
creating a regular expression for a list of strings
There are a few other links off this.
I'm not trying to do anything complicated e.g NLP etc.
I could use C# expression builder and dynamic linq at a push, but that seems overkill and a code maintainable nightmare .
I'll write my own "simple" regex builder from the tokenized string.
Example Use Case:
An admin office user where I work could setup the string patterns for each field by typing a string pattern, My code converts this to a regex, I store these in a database.
E.g: Field one requires 3 digits at the start. If there are 2 digits then send to workflow 1 if 3 then send to workflow 2. I could simply check the number of chars by substr or what ever. But this would be a concrete solution.
I am trying to do this generically for multiple documents with multiple fields. Also, each field could have multiple format checkers.
I don't want to write specific C# checks for every single field in numerous documents.
I'll get on with it, should keep me amused for a couple of days.

How to validate a excel expression programmatically

I have been developing an application that one of it's responsability is provide to user an page that it's possible to write math expression in EXCEL WAY.
It is an application in ASP.NET MVC, and it's use the SpreadSheetGear library to EXECUTE excel expression.
As it's show below, The page has an texarea to write expression and two button on the right. The green one is for VALIDATE THE EXPRESSION and the red one is for clean textarea.
A,B,C are parameter, that application will replace for values. Notice that it is not possible to know the parameter data type. I mean, if I write a concatenate function, It is necessary that user use double quotes (") to delimitate string. For example
CONCATENATE("A","B") thus, is necessary that user KNOW functions parameters and its correlate data types.
My main issue is how to validate the expression?
SpreadSheetGear there isn't any method to perform this validation.
The method spreadsheetgear provides to perform an formula is:
string formula = "{formula from textarea}"
worksheet.EvaluateValue(formula)
and it's expect and string.
As I don't know what formula user will write, or how many parameters this formula has and what are the parameters data type, it's kind difficult to validate.
Now my question is?
How could I validate the expression?
I think in an alternative: Provide to user and page with textbox for each parameter in the expression. The user will be able to provide some data and validate the RESULT of formula. If the sintaxe of formula is wrong the application throw an exception.
It would be a good solution, but for each "PROCESS" that user will interact to, He'll write 10, 15 formulas, and maybe it would be little painful.
Anyone could provide me an Good solution for that?
Thank you!

https://sites.google.com/site/akshatsharma80/home/data-structures/validate-an-arithmetic-expression
refer this site for validation

This is a very late response but I have been working on expression evaluators in Excel with VBA for a while and I might shed some light. I have three solutions to try but all have limitations.
1) Ask the user to put a '$' after a variable name to signify a string (or some other unique character). Drawback is that it is not as simple as typing a single letter for a variable.
2) Assume all variables entered are double precision. Then change the variable to strings in all combinations until one combination works. Could be very time consuming to try all the combinations if the user enters lots of individual variables.
3) Assume all variables entered are double precision. But then have a list in your program of functions that require strings for parameters. Then you could parse the expression, lookup the functions in your list and then designate the parameters that require string input with a string signifier (like in step 1). This will not account for user defined functions.
Now to test out the function, replace all the numeric variables with '1' and all the string variables with "a", then EvaluateValue. If you get a result or an error signifying a calculation error, it is good.
BTW, in order to parse the expression, I suggest the following method. I do not know C#, only VB, so I will only talk in general terms.
1) Take your expression string and do a search and replace of all the typical operators with the same operator but with a backslash ("\") in front and behind the operator (you can use any other character that is not normally used in Excel formulas if you like). This will delineate these operators so that you can easily ignore them and split up your expression into chunks. Typically only need to delineate +,-,/,*,^,<,>,= and {comma}. So search for a "+" and replace it with a "\+\" and so on. For parenthesis, replace "(" and ")" with "(\\" and "\\)" respectively.
So your sample formula "SUM(A, SQRT(B, C)) * PI()" will look like this:
"SUM(\\A\,\ SQRT(\\B\,\ C\\)\\) \*\ PI(\\\\)"
You can also clean up the string a bit more by eliminating any spaces and by eliminating redundant backslashes by replacing every three consecutive backslashes with a single one (replace "\\" with "\").
2) In Visual Basic there is a command called 'Split' that can take a string like this and split it into a one dimensional array using a delimiter (in this case, the backslash). There must be an equivalent in C# or you can just make one. Your array will look like this: "SUM(", "", "A", ",", "SQRT(", "", "B", etc.
Now iterate through your array, starting at the first element and then skipping every other element. These elements will either be a number (a numeric test), a variable, a function (with have a "(" at the end of it), a parenthesis or blank.
Now you can do other checks as you need and replace the variables with actual values.
3) When you are done, rejoin the array back into a string, without any delimiters, and try the Evaluate function.

How to include Variables in Localized Strings?

I'm trying to display a message to the user along the lines of:
"User 5 could not be added"
But how can I add variables to a string that is being placed in a .resx file? I've trying searching for things like "Variables in Localization" "Globalization with Variables" etc, but came up dry.
If I weren't localizing I would write:
Console.Write("User " + userNum + " could not be added");
How can this be accomplished with resources?

You can't do this directly.
What you can do is place a token - a specific string that can be replaced with string.Replace with the value of the variable.
A good candidate for this would be the built in string formatting:
Console.Write(string.Format("User {0} could not be added", userNum));
Assuming userNum has the value 5, the result would be:
User 5 could not be added
You can localize this string with the composite format specifiers.

In teams where I've done internationalization, we generally also created a resource for the format string, something like USER_COULD_NOT_BE_ADDED_FORMAT, and called String.Format (or your environment's equivalent) by passing that resource's value as the format pattern.
Then you'll do Console.Write(String.Format(resourceManager.GetString("USER_COULD_NOT_BE_ADDED_FORMAT"), userNum));
Most localizers either have training in the format strings used by the system they are localizing, or they are provided with guidance in the localization kit that you provide them. So this is not, for example, as high a barrier as making them modify code directly.
You generally need to add a loc comment to the resource ID to explain the positional parameters.

Use Composite Formatting like so:
Console.Write("User {0} could not be added", userNum);
This way you would localize "User {0} could not be added".

you can do that its simple
new lets see how
String.Format(Resource_en.PhoneNumberForEmployeeAlreadyExist,letterForm.EmployeeName[i])
this will gave me dynamic message every time
by the way I'm useing ResXManager

I would use string.Format
http://msdn.microsoft.com/en-us/library/system.string.format.aspx
Console.Write(string.Format("User {0} could not be added", userNum));

Conditional Regex Replace in C# without MatchEvaluator

So, Im trying to make a program to rename some files. For the most part, I want them to look like this,
[Testing]StupidName - 2[720p].mkv
But, I would like to be able to change the format, if so desired. If I use MatchEvaluators, you would have to recompile every time. Thats why I don't want to use the MatchEvaluator.
The problem I have is that I don't know how, or if its possible, to tell Replace that if a group was found, include this string. The only syntax for this I have ever seen was something like (?<group>:data), but I can't get this to work. Well if anyone has an idea, im all for it.
EDIT:
Current Capture Regexes =
^(\[(?<FanSub>[^\]\)\}]+)\])?[. _]*(?<SeriesTitle>[\w. ]*?)[. _]*\-[. _]*(?<EpisodeNumber>\d+)[. _]*(\-[. _]*(?<EpisodeName>[\w. ]*?)[. _]*)?([\[\(\{](?<MiscInfo>[^\]\)\}]*)[\]\)\}][. _]*)*[\w. ]*(?<Extension>\.[a-zA-Z]+)$
^(?<SeriesTitle>[\w. ]*?)[. _]*[Ss](?<SeasonNumber>\d+)[Ee](?<EpisodeNumber>\d+).*?(?<Extension>\.[a-zA-Z]+)$
^(?<SeriesTitle>[\w. ]*?)[. _]*(?<SeasonNumber>\d)(?<EpisodeNumber>\d{2}).*?(?<Extension>\.[a-zA-Z]+)$
Current Replace Regex = [${FanSub}]${SeriesTitle} - ${EpisodeNumber} [${MiscInfo}]${Extension}
Using Regex.Replace, the file TestFile 101.mkv, I get []TestFile - 1[].mkv. What I want to do is make it so that [] is only included if the group FanSub or MiscInfo was found.
I can solve this with a MatchEvaluator because I actually get to compile a function. But this would not be a easy solution for users of the program. The only other idea I have to solve this is to actually make my own Regex.Replace function that accepts special syntax.

It sounds like you want to be able to specify an arbitrary format dynamically rather than hard-code it into your code.
Perhaps one solution is to break your filename parts into specific groups then pass in a replacement pattern that takes advantage of those group names. This would give you the ability to pass in different replacement patterns which return the desired filename structure using the Regex.Replace method.
Since you didn't explain the categories of your filename I came up with some random groups to demonstrate. Here's a quick example:
string input = "Testing StupidName Number2 720p.mkv";
string pattern = #"^(?<Category>\w+)\s+(?<Name>.+?)\s+Number(?<Number>\d+)\s+(?<Resolution>\d+p)(?<Extension>\.mkv)$";
string[] replacePatterns =
{
"[${Category}]${Name} - ${Number}[${Resolution}]${Extension}",
"${Category} - ${Name} - ${Number} - ${Resolution}${Extension}",
"(${Number}) - [${Resolution}] ${Name} [${Category}]${Extension}"
};
foreach (string replacePattern in replacePatterns)
{
Console.WriteLine(Regex.Replace(input, pattern, replacePattern));
}
As shown in the sample, named groups in the pattern, specified as (?<Name>pattern), are referred to in the replacement pattern by ${Name}.
With this approach you would need to know the group names beforehand and pass these in to rearrange the pattern as needed.