Hi I am trying to populate a Treeview Control dynamically from a Database. Is the only way to build the tree to create a parent node and then create all of it's children? This seems to be restrictive, and does not offer much control.. Is there any way to build the tree in a manner similar t...more >>

Not sure how to ask this but here goes. Is there a way to "show contents while dragging" while using the splitter control? ...more >>

Hi, We are handling some keys in the form to perform some form based actions. for example Ctlr+s will save the data on the form which is equivalent to pressing the save button. But when the focus is on a combobox, then we are not able to capture the keys (i.e form's keypdown/up events are not be...more >>

Hi, I have a datagrid which automatically displays a column of data in the form of a checkbox for a "bit" datatype. However if I select the data from a view, instead of from a table, my checkbox column is replaced with a textbox column displaying either a "T" or a "F". How can I get the checkb...more >>

How can I detect when the user has changed the value in the DateTimePicker by typing one character in the 'day of month' field? If the date is initially 7/2/2004 and I type a 3 in place of the 2, no event fires. When the value changes to a different date, I want to show OK/Cancel buttons to...more >>

Hi, I'm trying to come up with a stratagy to minimize flicker in a RichTextBox. Currently, I'm drawing red wavy underlines under words in the RichTextBox by overriding WndProc and looking for the WM_PAINT message. I then raise the OnPaint Event to draw the underlines. This techneque works but ...more >>

Since I cant find any scroll properties, does anyone have a function that will make a datagrid act like it's autoscrolling? I want a user to always be able to see the record they just added. Any ideas would be great! Thanks, Justin ...more >>

My DataGrid consists of several columns from different tables. After user modifies it, I would like to output the text of modified DataGrid. My question is: how can I get the text of individual cell? Thanks in advance....more >>

I'm using a RichtTextBox as an editor and would like to be able to insert an image into a line of text and have that image behave exactly as a single text character would behave (the image is a small 2-drawer file cabinet with color). So when a user increases the size of a block of text that in...more >>

We have a fairly complex commercial usercontrol and both ourselves and our customers are experiencing the following serious problem. Our control is added to the project and is placed on the form. A name is generated for the control eg FlowChart1, based on the class name Flowchart. Sometimes (a...more >>

1. up/down arrow keys to move up/down one recored at a time 2. Page Up/Down keys to move up/down one page at a time 3. CTRL+End and CTRL+Home keys to move to end and beginning(last record and first record) of the datagrid respectively code for page down: public class Myform : System.Windo...more >>

I am developing an application in C# using WinForms. The application is designed to have multiple grids as the dataset has a (Parent - Child-Grand Child ) relationship. Following are the problems faced by me Problem 1:I've just tried this with a couple of tables related to each other (Parent-Chi...more >>

Hi there! I’ve been having some trouble using parent/child DataGrid binding. Tracking down the issue I was able to identify the exact location of it and then create a simple test case to reproduce it: Create a new Windows Forms project and modify the form’s code to the following: using...more >>

I have a control that uses a grid, the form has a tab control, with 4 tabs. Only the control that is in the first tab has loaded, the other control to be loaded I need to press each tab. How can I do to load all controls at the beginning?? Thanks. ...more >>

Hallo .NET friends I have a small problem with the Data Grid. I want to select the whole DataGrid row, without entering cell. at the moment I integrated following line into CurrentCellChanged event: dataGrid1.Select(dataGrid1.CurrentSell.RowNumber); which selects me the current row, b...more >>

how can i display massages on the bottom bar ? like system is ready etc ? ...more >>

Does the TreeView control have some kind of visible node limit that isn't obvious? I don't see anything in the documentation (though maybe I missed it) about this limitation. After creating a bunch of tests, I find the TreeView vertical scroll bar vanishes when there are 65536 or more VISIBLE...more >>

how do i limit entry in a textbox to numbers only ? ...more >>

Does any know how to add the ReadOnly property to a CheckBox using C#. Or is anyone aware of a third party control that has a checkbox that a has a readonly property. Dave Knake Apex Software, Inc. ...more >>

I would like to create an undo button that will erase the text entered by the user in a list box. how do i do so ? ...more >>

i have a form with 4 textboxes and one listbox. i want to create an undo button that will delete all the information the user entered and will take the user back to tabstop1. any idea ? ...more >>

i have a form with x labels and Y textBoxes. how do i declare that tabstop=null ? thanks ...more >>

I am having some couple of picture boxs in my form. whenever the user click the picturebox it should be highlighted. i tried to create a rectangle as a border of picture box but i could not. please guide me Note. In another way i can place my picturebox inside the panel and whenever user click...more >>

How can I control the default language within a textbox without changing it in under regional settings? Thanks ...more >>

Hi. Can anyone tell me how can I change the tabcontrol default style to wizard mode ??? ...more >>

i created a user control on the designer. the i closed project and when i opened it again now, i cant see the user control on the design window. i can only see the code. how do i make user control appear on the designer again? ...more >>

like this, foreach (MenuItem item in this.mainMenu1.MenuItems) { //some code //I want to get the menuitem's name here! } No name property found. please help! ...more >>

Ok guys iv'e created my first form. the form has 4 TxtBoxes In it and i want to create a button that will do 2 things : 1. Close the form - Simple me.close 2. update a specific table in a database with TxtBox1 TxtBox2 etc. is there any code sample for that ? never done it in my life. than...more >>

i have a user control (say myUserControl) that inherits panel, i create some textboxes on myUserControl dynamically, then i create some myUserControls on the form dynamically with a loop . of course i change name,location etc.. meanwhile. i have some problems here then. eg: how could i r...more >>

I'm inheriting TextBox in my control...it has a property that is type TextBox and will point to another control on the form (or elsewhere). This is working correctly, however at design time, the Property Browser displays a "+" sign when the property is set to a control other than (none). This...more >>

I've seen various methods for working around the omission of control arrays. I'm using the following scenario: Assume that I have 6 buttons named "btnTest1", "btnTest2", etc, and use the same Click handler to sink their click event. In the handler, I use the last character of the sender.name p...more >>

I have created a DataGrid control with checkboxes, TextBoxes, ComboBoxes, and NumericUpDowns. Since I used the DataGridBoolColumn, the checkbox is displayed in the center of the cell, horizontally and vertically aligned. I want the other cells with data to also be centered so that it is cong...more >>

Hi, I need to set the rules by which the MonthCalendar Calculates its week numbers. My company has Saturday as the first day of the week, no problem there. The calendar correctly calculates week 1 from the first Saturday of 2004. However my company uses the the first friday of the to signify...more >>

Hi, I need to serialize/deserialize a treeview in order to retain its nodes/values. the serialization worked; using soapformatter: System.Runtime.Serialization.Formatters.Soap.SoapFormatter _bf = new System.Runtime.Serialization.Formatters.Soap.SoapFormatter(); string _filePath = "tree.xml";...more >>

My problem is that when using the string "Cod." I obtain the exit ".Cod". .... sf (stringformat) .... text (string) .... fuente (font) .... r (rectangle) sf.HotkeyPrefix = HotkeyPrefix.Show; g.DrawString(text, fuente, new SolidBrush(Color.Black), r, sf); Thanks ...more >>

I have several questions on hosing .net controls in web page : 1. Why only .net control instead of .net form could be hosted in web page? If I want to embed a .net form in web page, how can I achieve that? 2. If my .net control uses some unmanged DLLs(through MC++), could these unmanged DLLs...more >>

hello, i have in my form datagrid obtain a list of orders i want to select mulitple rows in the grid in order to invoke on them delete action my question is how i can know in the code behind which rows i have selected? i looked for a property in the grid like selection bookmark and i did not f...more >>

Does anyone know of a pick listbox control for windows forms? Something like in studio .net Find in Files where you click the "..." to set the search directories. You then have an available listbox and chosen items listbox with buttons to add/remove....more >>

Where are all th icons sotred ? i would like to use some of the windows icon in the application i'm writing. like the undo etc. ...more >>

Hi all, I haveing a funny problem. i created a user control, and i set tool tips to the controls that are generated at the runtime. when i use the control in a normal form i could see the tool tips. but if i use the same form in a from which is derived from an other from, the tool tip is not...more >>

Hi all, i have a questions : 1. I am working with forms in designer mode, and would like to run only a given form how do i do that ? Currently i compile and run the entire project. Thanks ...more >>

U have some in VS.net installation folder under common files/graphics if i remember. Alex ...more >>

Hello, I came across with a problem... I had developed a component which it's assembly does not have a keyfile for strong name... One of my customers tries to use it in an application where he attaches a keyfile for strong naming it and when compiling it he gets "Does Not have a strong f...more >>

guys i have an issue. i have 2 form in a project: Form A Form B In form A i've created Menu buttons and i would like to declare an on click event that will open Form B this is the code i'm using: Dim FormB As New Form FormB.Show() End Sub Form B as a start location and backcolor s...more >>

Hi, I'm trying to extend PicutreBox to support transparent regions, specifically .gif files that have transparent regions. My problem is that the transparent region is not repainted when a control in the transparent region invalidates (e.g. TextBox in transparent region changes text to smaller t...more >>

Hi, I have 3 radio buttons. I have set the checked property of all of them to be false. Still when executing the first one is selected by default. I want none of them to be selected by default to startwith. How can I do that? Manish Soni ...more >>

It seems only .net control could be embeded in web page and could be shown in IE. How can I directly embed a form in web page? Or is there any work around to do that? ...more >>

I have a child form that has autoscroll set to true. However, when the mdi parent is maximized and the child form is maximized, no scroll bars appear, even though there is more controls and data below the visible area. Is there a way to scroll the child form and/or the mdi parent when both are ...more >>

Hi!.. Please help me on this, how can I disabled the default sorting of each column I added on my datagrid ? is there anyway of trapping the sorting of each column? Please help me on my problem. Any answer will be highly appcreciated.. thanks allot.. Mark.. ...more >>

guys i have an issue. i have 2 form in a project: Form A Form B In form A i've created Menu buttons and i would like to declare an on click event that will open Form B this is the code i'm using: Dim FormB As New Form FormB.Show() End Sub Form B as a start location and backcolor s...more >>