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I have created a back - end application in C# with embedded microsft sql server. I am pretty new to crystal reports and I had created one but in a wrong way and I am trying to correct it. I almost don't remember how I created and I feel bad for that. So, I have a form represent orders...

In Visual Basic .net we have the modules to write public functions and routines in order to call them from several points of entire application. What about c# 2019? Modules don't exist in C#. Any suggestions please? Thank you so much in advanced. Example of a public void function, I have...

I have a form with specific minimum size 1100 x 800. My form has labels and textboxes in order to display all customers of a microsoft sql server database table. I also have a user control class which is a navigation bar for the records. The following code is my NavigationBar control class...

Hello everybody, I use Microsoft SQL Server Management Studio 19.1 (Microsoft SQL Server 2022) I have created a database with one table Customers. When I run an INSERT INTO QUERY record is inserted but in unreadable format. INSERT INTO Customers (custID,custAFM,custDOY...

I am tryting to change permission for a specific path under root "C:\BackgammonTxt\AppDataFile.txt" With CreateNew sub I first create the folder BackgammonTxt and AppDataFile.txt to write data to it. CreateNew Sub takes part through installer class from ovverride install sub. But I am getting a...

Hello, I have a solution with mulitple projects. The main project wich is a game, a project with an installer class and a registration license key form named RegistrationLicense and the setup project. In the setup project, inside user interface I have add a custom dialog with two option buttons...

Hello, I have created a solution at vb.net 2019 with 3 projects, the first project includes just a form to load, the second BackgammonRegistrationLicense includes an installer class, a dll file named foxlearn.license.dll and a registration form that genarates and register a serial key for the...

I have created a setup project for my application inside the solution that includes myapplication project. This setup has a specificity. I want to install a trial version of the product and a licenced. So I did the following: In the User Inteface of the setup project I added a dialog with two...

I have this query select cus.Cust_Code as 'Customer Code',cus.Cust_Name as 'Customer Name',addr.Cadd_address as 'Address',con.Country_Name, par.Param_Descr as 'Level Risk', case when cus.Cust_Status =0 then 'ACTIVE' else 'InActive' end as 'Customer Status' from TB_CUSTOMER cus left join...

Hello anyone, I have big lambda expression with many lines in vb.net. It runs perfectly for me and it returns a boolean CoverLonely = FilteredFreeGts.Select(Function(b) New With { .Position = b.Position, .GtsInfo = GtsInfo_...

I have the following structure and I have a question, is it possible into a sub to change the Danger's Property Scope and how? Any suggestions please? Any help will be much appreciated. Thank you so much in advanced. Public Structure EachCpl2PlayLonelies Public Cpl2Play As CoupleToPlay...

Supposing the following code, is it possible to incorporate the iterator of the for loop to the lambda expression Is it a good idea to do it and how? The what I want to do is not to use the for loop statement but do the work of iteration of the loop inside the lambda query. Thank you so much in...

I would like to ask something please. Supposing the following expression Dim ExistsPosValue1 As Func(Of GatesPositions, Boolean) = Function(p) p.pos = 3 how can I get with only a statement the returning value (true - false). I can do it with the following but I would like something directly than...

I have this code on a form class so that to prevent it to be movable out of the bounds of the working area during runtime. I don't know why, but when I move the form vertically I get a flickering. This form is TeachingFrm. I also have a central form which is the enviroment with a strech...

Hello everyone. I have a question, I have created a visual studio installer setup project for an application I created. Is there a way to access uninstall event on code to vb.net, so that to delete some files like mdf and log from application data roaming folder and how can I do that? I know...

Well, I am trying to get experience with lambda expressions and complicated types and I need you help. I am very new at LINQ and at complicated classes. Let's suppose the following code. I have the structure GatesPositions with 2 fields a stack and an byte variable, I declare an array of this...

I have a list that holds sturctures. So each element of the list consist of fields. Is there a way to use contains method to look directly for a specific field value? If yes may somebody give an example? Thank you so much in advanced.

Is it possible to create a custom TmrDie_Tick event? I tried this Because I want custom mouse event args with x,y coordinates that's why I use e2 variable. I am getting error BC31029 Method 'NewPcTmrDie_Tick' cannot handle event 'Tick' because they do not have a compatible signature. Secondly...

Hello, is it possible to change the cursor to hand in a highlighted area of a picture box as a triangle or rectagle for example? How can I achieve that? May anyone guide me please? I was thinking to create a class for Triangle for example but I don't know if I am thinking right, because I have...

Hello anybody I have a mathematical collection in my project as ienumarable type which is the intersection of two lists of integer and I want to look for an element into it, if it is included in that collection, or not, but contains method doesn't provided. Any ideas please, because I am not...