Merge Array And Populate It To Datagridview
Sep 29, 2009
I have 4 arrays and each array has the data of one column.
What I am trying to do, is to populate data from each array (or make one big array and populate to datagirdview) to datagridview.
the way i did is very basic way and it takes a long time (>5 sec) to populate the data to datagridview.
My approach is:
add 4 columns to datagridview
do
datagridview.item( iRow, 1).value = arrayOne(iRow, 1).value
[Code].....
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Nov 23, 2010
Assume I have an array myArray1 = { A, B, C, D, E, F, ., T}I have another that contains a subset of the elements of myArray1 but where the order may vary
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May 12, 2011
i have 2 string arrays and I want to merge them together then put the elements into a third string array ..
for an example :
string1="a","b","c"
string2="d","e","f"
after merging:
string3="a","b","c","d","e","f"
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Apr 19, 2012
Is there a way of merging (importing or whatver is the correct terminology is) the data from an Array in to a DataTable woithout looping. I already know how to loop through the array to populate the DataTable with new DataRow but I'm looking for something much faster if it exists. I've got a 1 dimensional String array i.e. 'String()' that I need to populate a DataTable with new DataRows.
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Sep 13, 2008
Is the following grid layout possible with DataGridView in VB.net? Kind of similar to html table layout. I'm adding data cell by cell. However I'm not sure on how to get the layout for Group A & Group B Cells.
-------------------------------------------------|
| Item11 | Item12 | Item13 |
|-----------------------------------------|
| Item21 | Item22 | Item23 |
GroupA |-----------------------------------------|
| Item31 | Item32 | Item33 |
|-----------------------------------------|
| Item41 | Item42 | Item43 |
-------------------------------------------------|
| Item51 | Item52 | Item53 |
|-----------------------------------------|
GroupB | Item61 | Item62 | Item63 |
|-----------------------------------------|
|Item71 | Item72 | Item73 |
-------------------------------------------------|
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Sep 7, 2007
I want to merge some of the cells in a datagridview, is that possible? How?
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Feb 11, 2010
I want how to merge cells in DataGridView?
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Nov 4, 2010
merge the checkboxcolumn in the datagridview?
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Nov 30, 2009
I'm trying to use a datagridview as the datasource for my mail merge, but I'm having trouble getting all the data to output to the word doc. I've based the below code on the following tutorial:
[Code]...
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Aug 18, 2011
in datagridview control is there any method to merge the cells across the rows
i need to merge a button column across other rows basing on some cell values
of column 1
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Jul 15, 2010
I need to load an EXCEL file into my datagridview. However, my header row contains merge cells, which are not display correctly when loaded into the datagridview. Does anyone knows how to load merge cells correctly into datagridview? When the merge cells are loaded into the datagridview, they are displayed as individual cells instead of merged ones. I am using Microsoft. ACE.OLEDB.12.0 as the provider with Visual Studio 2008 .NET Framwork 3.5, EXCEL 2007.
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Mar 28, 2011
Can i merge column header in datagridview (Winform) as below (Using VB language)
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Nov 11, 2009
Is there any way to merge cells in datagridview in vb2008 like we could do it in excel?
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Mar 8, 2012
I'm having a problem recently, a logical issue so hard to determine various examples.I need the text that is inserted in textbox, which has been altered or modified or twisted to have a proper format through line accordance and constant white spaces etc. And some cases I stuck at defining the If statement within the loop. Here's an example of a text I'm trying to reformat.[code]I'm using Microsoft Visual Studio 2010 Ultimate version with Microsoft SQL Server Management Studio. This code is being fired on mouse click event of a button control. This is a snippet of my code there are more filtering after but here is what should be changed.
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Jun 10, 2011
I have a custom datagridview. I have to merge the 1st to 5th column header of that grid.I have handled Paint, Scroll and ColumnWidthChanged event as the following code:[code]
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Jul 4, 2011
I Have the following:
[Code]...
"Warning: Variable 'PDU_messages' is used before it has been assigned a value. A null reference exception could result at runtime." and then on running, Object reference not set to an instance of an object.
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Feb 24, 2012
I'm trying to populate an array from a dataset with only specific column using vb.net 2010. is there any code to populate the array directly or must i make the use of a query?
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Aug 23, 2010
I am trying to populate an array from a listbox.My listbox items contain something like this:
1 for January
10 for February
3 for March
I have code in place and it was working, but I am taking the first character of the listbox item to populate the array. If the value of the listbox is 10 for February, I need to get 10, not just 1. Can I do something with the string that says I want to trim everything from the space to the end? Since they are all formatted the same way, if I could trim out anything from the space on, that would work.
Here's what I currently have:
ReDim m_adecRainfall(m_astrMonths.Length - 1)
For intCount = 0 To m_astrMonths.Length - 1
m_adecRainfall(intCount) = CDec(lstMontlyRainfall.Items(intStart).ToString.Su bstring(0, 1))
intStart += 1
Next
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May 5, 2010
I want to modify this function to populate an array with each item in the database.
I have tried various options, but I just can't get it to work[code]...
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May 5, 2010
I want to modify this function to populate an array with each item in the database.
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Nov 9, 2010
The first problem I am having is that it populates every cell with the same random number. How do I get it to create a new random number? The second problem is that I need to make sure each entry in the array is unique.
[Code]...
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Nov 6, 2011
I'm trying to make a Blackjack game in VB. What I'd like to do is populate an array with each of the cards so that I can randomly generate integers and use those integers to pull an index from the array, basically randomly selecting a card. My problem is that I can't seem to get the images in the resources folder to go into the array. I'd like to use a For/Next loop to populate the array, as I would rather not manually assign all 52 cards to the array. I'm trying to do it like this:
Dim CardArray(51) As Image
Dim LoopIndexInteger As Integer
For LoopIndexInteger = 0 To 51
CardArray(LoopIndexInteger) = My.Resources.ResourceManager.GetObject(LoopIndexInteger)
Next
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Aug 26, 2009
i cant seem to get an array of mine to populate. [code]Whats happening is that LogArray under the else statement is saying Variable 'LogArray' is used before it is assigned a value.Again I'm new to VB and I'm not to sure what this is trying to do. I thought I assigned LogArray above when I put.
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May 24, 2010
The below code is a sample code that is supposed to display the months in a combobox.
Dim months() As String = _
{"Select a month...",
"January", "February", "March"}
[code]....
But what am I supposed to do with this code? I have created and named the combobox "cboExpirationMonth", but where do I put this code? I tried to put it as a click event of the combobox, but that doesn't work. I created a button and tried to put the code in the button's click event, but that still doesn't populate the combobox.
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Feb 23, 2012
I have my mysql query selected fields (item_code, item_name, item quantity, item_selltype, item_selldetail) but some of these fields are variants.
Dim sqlConn As String = ("SELECT item_code, item_name, item_quantity, item_selltype, item_selldetail FROM qa_items")
Dim objDataAdapter As New MySqlDataAdapter(sqlConn, objConn)
[Code]....
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Sep 20, 2011
I have 2 byte arrays. I want to merge these two byte array into 1 byte array.Usually, I just create a new byte array with length = byte array #1 + byte array #2. Then copy byte array #1 and #2 to the new byte array.do I have more efficient way to merge 2 byte array using VB.NET and .Net 4?
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Jun 21, 2010
How could I add array values and populate the results in a specified text box?Then repeat for each line after. Then get a final total.
For example:
1 2 3 4 5 (15)-text box
1 2 3 4 5 (15)-text box
2 4 4 3 5 (18)-text box
-----------------------
(48)-text box
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Dec 8, 2010
It's a simple 3-Tier Structure Windows Form Application using Visual Basics 2008 express edition. I need to populate a ComboBox (User Interface Layer) using an Array with only 3 names (Data Access Layer and Business Logic Layer). I think I'm close to it but I'm unable to pass the data from the DAL all the way to the UI properly. When I run the application, My ComboBox gives me choices but the three choices are
[Code]....
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Jun 10, 2011
When I try and populate a listview with data from an array with 3 entries I find that the data goes into the wrong columns. The array consists of the following.
?ID
{Length=3}
(0): "T123456789"
[Code].....
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May 14, 2010
I want to pull data from database and populate an array. Field one: A short name to call the second. Field tow: A connection string to a database.
EG: Cstr=Connstr("OrDB")
The known name of OrDB would result in a string assigned to the variable Cstr that could be a connection string to an oracle database.
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