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Winforms report viewer rdlc won't load data
Hello all. I have a report that I'm trying to get working but it just isn't. The scenario is I'm passing variables from Form1 into the Report Viewer Form called Form2. I have declared three parameters...
View ArticleCounting duplicate values > X
I have some real time data being passed in a listbox as a string.I need to find duplicate values that are > x then I need to count how many instances of values > xEventually I want to send an...
View Article.Net apps sharing a file in a peer-to-peer network?
Can anyone tell me a bit about this? I have a peer-to-peer network but the laptop is belly up at the moment and I am unable to do any experiments.If two apps try to share a file using StreamWriters...
View ArticleArrow code mystery...really strange.
This has me very confused. I have an array of textboxes created at run time. I want to navigate through them using the arrow keys. The code below successfully creates the boxes and both the left and...
View ArticleVery Important
HelloI am Iranian. I have a Laptop than it is ASUS K53sv. Intel core i7, 6 GB Ram, 2 GB Graphic and onboard Graphic Intel, 640 GB HDD.I installed windows 7. But when I turn on the Laptop, the speed of...
View ArticleChange the color at the Tabcontrol names/on the same place on the Form
Hi All,I’m working on Visual Studio 2010 C#.I’ve placed on a Form a Tabcontrol.I’ve changed the Form backcolor to buttonHighlight.Besides I’ve changed the Tabcontrol backcolor to the same i.e. to...
View ArticleExpandable textbox when in focus?
I have a multiline textbox that presently can display 2 lines but was wondering if perhaps in c# on the form I could make it so when this textbox has focus that the view can temporarily expand to...
View ArticleHow to add reference for below name space in Winforms
How to add reference for below name space in Winforms using System.Windows.Documents; using System.Windows.Controls; using ADOX;
View ArticleAlt key supresses MouseMove messages
When I press the Alt key, I no longer get MouseMove messages for my Windows Form until I press the Alt key again. How can I stop that from happening?This doesn't happen for Shift or Ctrl, just Alt....
View ArticleC# Opening A Excel Workbook Issue
I recently installed Excel 2007 on a PC that had been running Excel 2000, so now the PC has both Excel Versions. I have a Windows Form that a push button event opens a Excel workbook. But since...
View ArticleTrackBar changing window theme when setting TickStyle
Hi, I have a Forms application that has a TrackBar on a form. After the TrackBar instance is created I remove its window theme by:SetWindowTheme(trackBar.Handle, string.Empty, string.Empty); That...
View Articledefine a global variable
Hi All,I’m working on Visual Studio 2010 C#I need to define a few “global” variables on my program.How can I do it on C#.The term “global” is on a pure c programing that can be read all over the...
View ArticleRecord Manipulation app
Need ideas to creating a simple record management app.The database is in SQL Server, which has been normalized and relational.The user need to have the following functionality.1. add new record2....
View ArticleDataGridView as Combobox dropdown
hi,i want to display datagridview as combobox dropdown to show multiple columns as a custom controlif possible please give me sample codeplease help....waiting for reply....thanks in advance....
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How to set a mdi child on top of other mdi child
I have situation I opened two mdi child forms form one 1st and then form 2 so form 1 on bottom and form 2 on top of 1st but when I am clicking hide button of mdi parent that is on splitter and when...
View ArticleHello!!
Hello, I want to ask if there is a way to drag an arrow to a form in Visual Studio 2010, and if there is not a way to drag an arrow how can I create and arrow noting that I will have to change its...
View ArticleHow to use the Maximize/Minimize buttons
Hi All,I’m working on Visual Studio 2010 C#I’ve placed on a Form a Tabcontrol.I need to give the user the option to re-change the form size with the Maximize/Minimize buttons on the upper right corner...
View ArticleAccess is denied.
Hi,I am using Windows 7 OS in my system, I am create one folder in E:\ in the name of “Image” just before some days that folder get disappeared I am un able to see that folder, but when I am use CMD...
View ArticleDifficulty formatting pages added to Tab Control
Hello Helpful people,I'm trying to build a flexible planner that allows users to create different types of pages in a tab control. The difficulty is that the only page that I'm able to format is the...
View ArticleC# Debug Error
I am getting this error ---- Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: Cannot performruntime binding on a null referenceat CallSite.Target(Closure, CallSite, Object)at...
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