111 Solved Topics
Remove Filter  | I am working on a table that will hold batch data. The table will have a BatchDate column as a DateTime type. I'm considering adding a column for BatchYear as an integer and BatchPeriod (which could be a week number, a month number or a quarter number) as an integer, …  |
| | Hi everyone! So we have a web application that some of our clients use to manage their account. Part of that means they can manage activities that their registered employees do. Right now we have a table that logs all of a customer's employees activities, even if they don't use …  |
| | On our site we have a "News and Information" section at the top of our landing page. Right now it looks like this:  I'd like to change this to look something like the image below, but I'm having a hard time figuring out how to do this, or … |
| | Good afternoon everyone! I'm running into a small snag and it could just be because it's late and I'm not thinking clearly. I have an ASP Panel that is an alert box. The panel's initial visible property is set to false and should only be set to true when specific … |
| | I am writing a custom MembershipProvider for ASP.NET and would like to record certain events in a table when they happen. I have the methods to do it, but I would like to get the value of the "ID" column of the row I insert into the table. I have … |
| | I am starting a new application for our business to help maintain our client information, so it is going to be a very data driven application. I'm curious, from the standpoint of those who have used both and who may have constructive suggestions on the future direction of development, should … |
| | I am trying to programatically create and dispose of file system watchers, but I am running into an issue when trying to dispose of them. When I try to use the code: // dispose of any existing watchers. foreach (FileSystemWatcher fileWatcher in this.Controls) { fileWatcher.Dispose(); } I am receiving a … |
| | I'm sorry if this is the wrong place to put this, but since I normally code in C#, and my potential solution would involve using C# I figured this would be the best place to start. I've been given a task at work to allow our customers the ability to … |
| | Good afternoon! I seem to disappear from this forum for a while then re-appear...I've been so busy with my first born baby girl that I haven't had time to check my email much less work on any of my projects, but something has come up and I need some input. … |
| | I am attempting to replicate the grid you see below taken from a popular accounting software program. I'm not after the title bar or any of the other controls, just a data grid view that behaves like the one shown, kinda like a check register. Does anyone know if this … |
| | I'm not really sure how to accomplish this task and would like some help with ideas or, if someone knows how to do this, some advice would be greatly appreciated! I am working on a custom usercontrol. The usercontrol has a listbox (or rather it IS a listbox, just docked … |
| | Hi everyone! I am working on a custom control, and for the life of me I can't figure this one out. As of right now, all properties for controls that are settable in the editor I use this code: [Browsable(true), Description(""), Category(""), DefaultValue()] I fill in the blanks appropriately, but … |
| | I have a DataGridView that contains 3 columns, the first is a drop down and the second and third are textboxes. However, the third one is read-only and is only there to provide information to the user on the item selected from the dropdown column. If the user changes the … |
| | I am considering an option for users that will allow them to write their own account numbers or create their own algorythm for creating custom account numbers for customers, but also want an option that will auto-generate them if the user doesn't care by using the identity property in SQL. … |
| | In order to show a first run dialog (a window that appears before the main application starts if certain conditions are met) I have decided to modify the Main method and do this: static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); if (Properties.Settings.Default.FirstRun) { Application.Run(new RunOnce()); } Application.Run(new Main()); } Is this … |
| | So I downloaded the [Adventureworks 2012 SQL database](http://msftdbprodsamples.codeplex.com/releases/view/55330) to browse hoping to find something interesting and just nearly fell asleep looking at example data when I came across something new or that I at least never noticed before...a field with a data type of "xml(CONTENT Person.AdditionalContactInfoSchemaCollection)" and when viewing the … |
| | The question I have involves 3 basic objects, (1)a class that contains methods to serialize and deserialize another class that is then saved to a file on a disk, (2)a class that contains methods and values that is marked serializable and is the class that is serialized to disk and … |
| | Silly question I am sure, and I'm almost positive I know the answer to this, but, if I have a static method that has a return type that is a non-static class type, when the static method is executing and after the method has initialized the class to return (but … |
| | Greetings again friends! It's been a while since I've visited. I had to take a while off from working because of family issues, but things are getting better and I'm starting to work again and that means I get to come back and exchange Q&A with the best programming web … |
| | Is there a way to set the default properties for a control? Specifically labels so that the margins are all 3 like text boxes? Any ideas? |
| | I need to retrieve the major and minor version of the application, and instead of instantiating a new Version class with `new Version(Application.ProductVersion);` is there a static copy of the Version class that already exists? If so, I can't find it, can someone point me in that direction, or is … |
| | I need an array for a method to use to iterate through a string's characters and perform certain operations when one is found or found in certain combinations. Anyway, to keep things separate and easier to interpret later, I have created an array of characters for the method to iterate … |
| | I'm working on a method that will save checkstates to a SQL server and something occured to me and I thought I would ask if there is a simpler way of doing this. If I have a single parameter, for example an initial checkstate, and an if...else statement is supposed … |
| | So if I have 3 stored procedures that act on a single table (or multiple tables for that matter), is it acceptable to combine them since they are related on some level and then using a switch or if statement to determine which "procedure" to actually run? As a simplistic … |
| | I have a checklistbox that I have been working on and I need to commit the changes made to those checkstates to a sql table, removing rows where the checkbox is not checked and adding rows where the checkbox is checked (assuming the checkstate actually changed). Instead of doing a … |
| | Is this possible? I am trying to modify how the CheckListBox works when a user clicks on an item. By default there are two options. One requires the user to "select" the item first and then they can check it, meaning 2 clicks. The other is they click the item … |
| | I have a custom control that derives directly from CheckedListBox. If the CheckedListBox subscribes to its own event (ItemCheck for example) and the user of the control also subscribes to it, does the control's event trigger first before the user's? I read on MSDN that if multiple subscribers subscribe to … |
| | I'm working on a databound CheckListBox and things are going well, but the name I chose for it is bugging me. Because the control CheckListBox already exists, I didn't want to name it that, and instead chose P_CheckListBox (the P represents the first letter of the company name) and is … |
| | I was thinking that in the future I might be updating some of my class libraries and when I do that, it might be useful to keep old classes, namespaces and objects in the updates just for backwards compatability. I was wondering what you guys and gals thought of naming … |
| | I can't seem to wrap my brain around this one and would really appreciate it if someone has some suggestions! :) I have two tables, one contains a list of locations (AccountLocations), another a list of contacts that belong to those locations (AccountContacts). What I would like to do is … |
| | Was writing a new method to open a custom dialog box I created, and realized that the other method I wrote to open another custom dialog had the same name as the object representing it, but there was no error? This is what I mean: Originally the code read: Dialogs.Accounts.NewLocation … |
| | It just occured to me that when I go to create a new SQL query using VS's query builder, it pre-fills in a query based on the datatable I am building the query with. Normally I just delete the standard query (unless it's sufficient) and write my own, but this … |
| | I'm sure I know the answer to this, but I just want to double check because I'm doing some debugging and I want to rule this out. If I set the value of a variable with something like [ICODE]bool MyValue = MyMethod();[/ICODE] and initially the return value of MyMethod is … |
| | Greets again! I am working on a project and have some controls that I have created, and even some full namespaces that I think would be very useful to other projects I am working on and possibly future ones. I'm considering pulling the code for those namespaces/controls out of the … |
| | So the question is, if I am instantiating a control for use on a form (or any object really) at what point is the object and it's properties/methods considered loaded into memory? The reason why I ask is because evidently when I instantiate my custom controls, but before adding them … |
| | Hi again! I was hoping someone would be kind enough to throw some advice my way here. I'm working on an application (still) that I would like to provide "Wizards" in. I have a general idea of how I would like to implement something like this, but staying in line … |
| | This is a two part question I guess. I have a form that allows a user to edit an existing record stored in a SQL database. One of the items the users can edit must have a value when the record is edited using this particular form, but it does … |
| | I'm writing my own validation code for some of my forms and I'm wondering what the best way to indicate that there is a problem is. Some ideas I've had: [LIST] [*]Highlight the textboxes, checkboxes or controls in red if they have an error. [*]Put a small icon inside or … |
| | I have a method that has 3 overrides, but calling the method outside of a "parent" override (one that accepts no parameters) is useless. Other than a xml comment indicating this, is there an attribute that I can use to mark the method as such? Some additional information if needed: … |
| | I have 7 different bindingsources on a form right now and I have a "cancel" button to allow a user to reject the changes they made and revert back to the original data in the dataset. Instead of having my cancel button click event call something like: [CODE=C#] private void … |
| | If I have a DataRow list and use a foreach statement to create a string containing information in a list format and I want the last item in the list to be preceded by the string " and " how could I accomplish this within the foreach statement or is … |
| | Quick question. A few of the commercial/closed source applications I use contain an external exception handler or crash catcher and I am wondering if anyone has ever implemented something like this and would be willing to discuss the use of such a method of exception handling? Basically the way it …  |
| | Simple question: is it a performance issue or bad form to have if statements without a else following? As an example, an event that is triggered when a listbox selected index changes depends on the selected index value to run, and during the change, the value switches from some integer … |
| | So, the question is, if I have a table on a SQL server with 20 columns, and I need to retrieve just 4 columns for a form, and I am using stored procedures to do most of my queries, should I create a stored procedure to retrieve just the 4 … |
| | I have a databound combobox and I need to get all of the ValueMember values from each item in the combobox. I'd prefer to not change the selected item in the combobox to do this, since each time the item in the combobox changes a few events are triggered that … |
| | I'm lost on this one. I've got 3 tables involved here. An Accounts table, AccountsContacts table and a Contacts table. The AccountsContacts is a junction table between the two. The key columns for the tables are: Accounts: ID AccountsContacts: AccountID, ContactID Contacts: ID I need a way to select from … |
| | I'm curious about something. If I have a listbox that is databound and a filter is applied to that listbox based on the value in a combobox, what would be the best way to handle the null reference exception thrown when the form loads or the filter changes and everything …  |
| | Thanks to Antenka I have located the HTML Help Workshop to create a Help system for my software. Problem: writing HTML code is a heck of a lot more tiring than I expected. Does anyone know of a WYSIWYG HTML editor that only does the basics (fonts, tables, images etc...) … |
| | Does anyone have a link to a good article or guide on creating help files that work with Windows XP, Vista and 7? I've used a program in the past to create help files, but it was a demo product and quite costly (and if I recall poorly supported). I … |
| | I'm working on a custom textbox control that can "filter" out inappropriate input. The filter property can be: None, Numerical, LowerAlpha, UpperAlpha, Alpha, AlphaNumeric, Symbol None would function like a normal textbox Numerical would be any number key (1,2,3...) LowerAlpha would be any alphabet character as long as it is … |
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