VS 2005 SQL Instances Into ComboBox
Jan 16, 2011
I have a ComboBox that i am wanting to add all the SQL Server 2005 instance names to. The instances are located in the registry under:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftMicrosoft SQL ServerInstance Names
I have tried to do this and I am not able to get it working. I haven't worked with the registry in a very long time.
This is what I currently have:
vb
'Enumerate the registry and add all SQL Server instances to cboServerName.
'HKEY_LOCAL_MACHINESOFTWAREMicrosoftMicrosoft SQL ServerInstance NamesSQL
Dim SQLInstanceRootKey As RegistryKey = _
[Code].....
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May 7, 2010
I have an MDI parent(MDIParent1) form with a child form(frmMain).The child form got a Tabcontrol(TabControl1) in it.I am trying to load other forms(say form1) in my application to this tabcontrol as tabpages. I use the following code for that
[Code]...
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Nov 25, 2009
I am filling a ComboBox with values from a data base table where user can select a value:
[Code]...
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Apr 27, 2009
I have the following code to fill my combobox:
Public Sub VulCboGebruiker()
dt.Columns.Add("Gebruiker")
dt.Columns.Add("Gebruiker ID")
dt.LoadDataRow(New Object() {"Ja", "1"}, True)
[Code]...
What do I have to add so the the combobox is set to intGebruikerApplicatie wich refers to the dataColumn "gebruiker ID" ?
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Jan 27, 2011
Normally when I populate a combobox I do so by binding it to a datatable and assigning a display member and value member. I would like to do the same thing by adding pairs of items in code.I tried using a key-value pair, but that didn't work. The combobox displayed both the key and the value. I would like to have it just display one of the values and leave the other one invisible to the user, but available to me as a key.I thought about creating a custom class with two properties - one to use as the display member and the other to use as the value member. But before I re-invent the wheel I thought I'd check to see if there's already something there in the framework that I'm missing.
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Sep 18, 2009
i tried this Private Sub ComboBox2_SelectedValueChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ComboBox2.SelectedValueChanged
[Code]...
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Aug 6, 2009
i have a listview in form1 and combobox in form2..i want add every first item of listview of form1 into combobox of secondform....i did this...
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May 21, 2009
i have a combobox all names are displayed i want to search by first letter..if i type n in combobox then names starting from n should be displayed in that combobox...how can i do that?i have my code to display all names from database.
[Code]...
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Jan 10, 2011
I have a ComboBox on my form and I am trying to create a SuggestAppend for AutoComplete as the end user types. However, I am getting an ArgumentOutOfRangeException when I press the first letter. Then System.Data.DataRowView automatically populates the ComboBox. [Code]
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Jun 16, 2009
I want my combobox when I type letter all item has the letter I have type will show in the combobox.... because in the current situation in vb .net when I type "A" all item that start from a will display I want this time when i a letter "A" all those have the letter "A" will display..
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Aug 10, 2010
I am trying to bind my combobox selected value something like:
Me.combobox1.SelectedValue = Me.BindingSource8.Item("ColumnName")
The column has a numerical value
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Jan 29, 2011
I'm having a problem setting the SelectedIndex property of two comboboxes.
There names are,
LateralStartComboBox
LateralEndComboBox
When I run the code listed below, both of the comboboxes display list item number 6. No matter how I try to set the selectedindex their text matches. [Code]
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Jun 29, 2009
I have an application which consists of labels, textbox, combobox and buttons. The combobox and buttons loads after the contents of an Excel file is loaded into the application.However if the form is resized before the loading, the position of the combobox and the buttons changes even though all the controls are locked. The position of the labels and textboxs remains the same. Can anyone figure out any reason for this anomaly?
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Jul 31, 2010
I have been searching for a while and not able to find anything useful on how to approach this issue.I have a ComboBox on a form and what I am looking to do is when the ComboBox has the cursor focus, it automatically opens up and displays the options. Just as if you clicked on the ComboBox. I was considering PerformClick but the only problem is, I believe PerformClick is only available for the Button and no other control.
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Oct 15, 2011
I use a printcode in a Class, and a printcode by the Button in the Form.Olso i have a code for fill the ComboBox, with al printers.Is it possible to do a selecting in the ComboBox, with as results that the print go to that printer.
Class
Public Class formCapture
Private Shared img As Bitmap
[code].....
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Sep 16, 2010
1. I type the first letter of the username i want in the combobox text area, the combobox drops down and shows me all the usernames starting with that letter. I scroll down to the name i want (as i scroll down, the text area holds each name but the SelectedIndexChanged event does not fire each time), then hit the Tab key, the SIC event fires and i get the result i want.
2. I do the same as above, but instead of hitting Tab key, i hit the Enter key. The same thing happens and i get the result i want.
3. This time, i first click on the dropdown arrow of the combobox such that it shows all usernames starting from the first name. I then type the first letter of the name i want. I saw that another drop down appeared in front of the first one and it was a smaller subset of names starting with the typed letter. I scroll down this smaller dropdown to the name i want (here also, as i scroll down, the text area holds each name, and the SIC event doesnt fire each time), then hit the Tab key, the SIC event fires and i get the result i want.
4. I do the same as #3, but this time i hit the Enter key instead of Tab key. But this time, the combobox text blanks out and the SIC event is not fired (although the name showed up just before i hit the Enter key). So i do not get any results back.
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Jan 18, 2011
I have been working on something for a week or so, trying to get it to work, but regardless of what I do, it is not doing anything. I have two forms, one called frmWorkLogEntryStart and the other called frmWorkLogEntry.
[Code]...
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Mar 27, 2009
i want to display two values from two columns of same database table..i could get only single value..eg...i want to display emp_name and emp_id in the same combobox...i dun want to use another combobox for emp_name...when displayed it should be like "emp name=XYZ and emp id=E123".
[Code]...
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Aug 14, 2009
Here lies my form: Attachment 72542 I have to perform save and show operations with the access database. If i select the Bank Account radiobutton(Radiobutton1) then Bank Account No. combobox is enabled,Credit Card No. combobox is disabled and user can input the value only in the Bank Account No. field. When the form loads then both the combobox1 and combobox2 are disabled and as the user selects the radiobutton the combobox are enabled accordingly. So i did the following code in the form load event:
[Code]...
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Jul 19, 2009
White this code, my ComboBox while by fill, white data frome the database. Now i want to fill the TextBox, on basic frome the selection off the ComboBox
example,.. The ComboBox is filled white meat, in the database is there a price attached
Whene i make a selection in the ComboBox, thane must the attached price show up in the TextBox. My code works for de ComboBox, but not for the TextBox.
[Code]....
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Oct 19, 2011
When my program is first run it loads the comboboxfineMe.Subj_heating_txt.DataBindings.Add("SelectedIndex", Me.BindingSource7,Form10.heating_txt.Text)if the user opens a different file (at run time) and then goes back to the orginal file it wont load the combobox properly of the selection is 0works fine if its is 1 or more
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Aug 19, 2010
I have a combobox which contains few objects in Items. When the user selects any item from the combobox the values from the Object member variables are stored in the textboxes on the form.The user will change the values in the textbox and then he will select another item from the combobox.
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Aug 15, 2010
How should i set the combobox selected index based on the "value". The following is the sample code. I am getting an error on the button click event.
[Code]...
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Oct 23, 2009
I am using combobox on my form as I want to control the aspect ratio of flash in vb.net, but I have no idea how to control them using with the combobox.
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May 19, 2011
I have a DGV bound to a bindingsource with a column that uses a DataGridViewCombobox, that has a DataTable for it's datasource. This all worked fine at first.But I removed a row from the DataTable that the DGV combobox uses as its datasource. Now when I try to load the form that contain the DGV, I get an error "DataGridViewComboboxCell value is not valid" for each row that contains the value I removed from the DataTable.It seems the value of the column must be a member of the combobox Listitems. Is there a way to allow values not in the combobox ListItems. I don't want the combobox listitems to be locked in for the life of the application.
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Feb 24, 2009
Case: I have one ComboBox which i fill up by using DisplayMember, DataSource with DataTable.
[Code]....
When user key-in in ComboBox (not select from the list), I check with above all possible but still got nothing. According to my knowledge, .Contains(cboStudent.Text) should work. Right?
I out of idea to check this checking.
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Oct 1, 2009
I'm a bigginer in Visual Studio. I have created the forms using Visual Studio Professional 2005 and a database using Microsoft SQL Server 2005. I have some combo boxes in the forms and want to populate them using the dataset which I have attached to the VB.net project. I used the following method.. but when I run the project, the combo box is still empty..
[Code]...
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Apr 11, 2009
I have 2 forms. The first form has a label on it. The second form has a combo box, a text box, and a button on it. In the second form, when I select the label name that I want to edit, I type in what I want to change the label name to in the textbox and I click the button. Now this goes through flawlessly except I want the combobox item to change to the NEW label name. I've been able to do that but when I close the form in run-time and open it up again, the previous label name appears once again. Is it possible to make the combobox add the new label name and KEEP it in its collection?
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Jun 30, 2010
How do I get the other values of the selected item of the combobox so that I can save it to my table? This in my function
Using cmdTeachers As New SqlCommand("SELECT TeacherID, Teacher, Dept " & _
"FROM tblTeacherFile " & _
"WHERE Dept = 'HS' ", cnn)
And I have this on formload
Me.TeacherBindingSource.DataSource = Me.GetTeachers()
Me.TeachCombo.DisplayMember = "Teacher"
Me.TeachCombo.ValueMember = "Teacher"
Me.TeachCombo.DataSource = Me.TeacherBindingSource
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Sep 18, 2009
My combobox dropdownlist contains 60 to 65 items. So i want to show 5 items in the dropdownlist of my combobox and add a vertical scroll bar in it so that the user can scroll it and see the items. How to add a vertical scroll bar in the combobox dropdown list? I want to add this vertical scroll bar only when the dropdown list contains more than 5 items.
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