Questions tagged as 'windows-forms'

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filter data in datagridview c # window form

Good, I would like you to help me, I am trying to perform like a search engine in my Texbox.  I will explain. what I want in my texbox to write my first surname and in the datagridview Exit all those that start with that last name. Error gene...
asked by 22.03.2017 / 03:10
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I can not open a form more than once from another form

In my project I use mdiParent, I have an open form with showdialog () and from this I invoke another form, the problem is that it only lets me do it once, that is to say I open it for the first time, I close it then I try to open it again and it...
asked by 23.02.2017 / 21:58
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Modal Window for Windows Form [closed]

I would like you to tell me how to perform a modal in Windows Form because my application is taking too long and you show me the message loading ... . I do not know if it can be done, when it ends the message should disappear.     
asked by 24.02.2017 / 01:27
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How to pass selected items from a checkedlistbox to a listbox with C #?

Hello everyone, first of all thank you for taking the time to read me. I am doing program using visual studio 15 community programming from C #. In the program I connect to a database made in SQL Server 2008 from which I obtain keys for some pro...
asked by 19.01.2017 / 20:35
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how to perform a search in dgview by date range

As I can perform a mediating search a date range with two datetimepicker and a button it is worth noting that I filled my datagridview in this way: adapter = new MySqlDataAdapter("Mostrar_ClientesExamen", C.conect); adapter.SelectComma...
asked by 12.02.2017 / 06:26
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Form integrated in groupBox

I have a main form divided into two groupboxes, the first groupbox is where the tabs are and on each tab a different keypad the second groupbox (gbContainer) is empty, and what I want to do is that when one of the buttons is clicked, a form (frm...
asked by 17.01.2017 / 12:12
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List 3 Layers c # SQL SERVER Window Form

Good morning. I'm doing a form that is to register a user I'm doing it in the c # language with 3 layers and SQL SERVER database. In my Registration form I have this aspect as the image: As you can see in my form I have 5 combobox. T...
asked by 04.03.2017 / 17:54
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How can I show the results of an operation in a datagridview generating a new column?

I want to generate a new column (called "Column1") showing in it the result of each of the values of an existing column. With this code I get an error saying that Column 1 does not exist and I can not explain why it is supposed to be generated b...
asked by 14.12.2016 / 00:06
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Project compatible with all versions of windows with visual studio 2012 for desktop (winforms)

Good day I just published a project with visual studio 2012 for desktop (winforms), when I install the application in windows 8.1 and 8 there is no problem, but my problem is that when I install it in windows 7, 10 and xp there are several mista...
asked by 30.11.2016 / 18:53
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Overwrite event of a control

I have created a base form which has a control, so the forms that inherit from this base form must overwrite the Click event of this control. Event of a control of the Base Form: public partial class CustomFormBase : Office2007Form {...
asked by 28.11.2016 / 06:09