Splitting A DataGrid Cell Value (Numeric) Into Individual Numbers

Oct 17, 2010

I am having dificulties taking a datagrid cell value stored in the following location (datagridVNTPSorted.Item(15), irow).Value) into individual digits to reassign values for counters.

The cell in the datagrid (Listed Above) contains a number between 1 and 5624. I have 4 different counters. If the number was "2856", the counters would need to be updated as follows:

intdirectoryCountDigit1 = 2
intdirectoryCountDigit2 = 8
intdirectoryCountDigit3 = 5

[Code].....

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Datagrid Cell Numeric Value

Aug 11, 2011

how can i store 1,1,1 in quantity column in db using datagrid i.e when i type 1,1,1 in datagrid cell it automatically formats it like 111 but i want 1,1,1

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Datagrid Cell Numeric Value?

Aug 11, 2011

how can i store 1,1,1 in quantity column in db using datagrid i.e when i type 1,1,1 in datagrid cell it automatically formats it like 111 but i want 1,1,1

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Individual Cell Background Image?

Apr 20, 2009

I want to programatically add a background image to individual cells in a datagridview for easy identification, prefirably in the right bottom corner of the cell.

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Splitting Text From Numbers?

May 25, 2010

Is there a .split command that would allow me to separate numbers from text in a given string.

Mystring = "1234, this, is, text,5678"

Using the split command I would just like for

this
is
text

to be returned ignoring the numbers. Is this possible?

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Make Calculations Using Individual Cell Data ?

Jun 18, 2012

I have a unbound datagridview which i use to enter data. I would like to make calculations using individual cell data as follows:-

Datagridview1.rows(0).cells(1).value = datagridview1.rows(1).cells(1).value + datagridview1.rows(1).cells(2).value

This works fine but if im using lots of cells it can be quite confusing .I was wondering if there was a way that i can give a cell a unique name so i can be easy for me to identify. Using the above example it could read TOTAL = JAN TOTAL + FEB TOTAL

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Datagrid New Row Cell Validation - Validate Empty Text And Indicate Error On Cell?

Jun 1, 2010

The problem is that if you never enter anything into a cell for a new row then that cell is never validated. This is a problem because I have columns that should not be null. I am doing the check in the row level validation and storing the information about which cells are empty that should not be empty. The row level validation works fine and the row level validation error indicator goes on,(red exclamation mark at the beginning of the row) but I also need a visual indicator on the individual cells that are in error.

I am thinking that setting the HasError property for the cells that are in error should cause them to display n error style (the default red border). Is there a way to this this either from XAML (perferably) or from code?Alternatively I could cause those cells to re-validate when the row editing is finished. Does anyone know how to do this?

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VS 2010 Change Background Colour For Individual Cell In Datagridview?

Jan 12, 2012

dgv_WorkHistory.Rows(i).Cells("DateOfWork").Style.BackColor = Color.GreenThis doesn't change the background colour - what am I doing wrong here?

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Prevent Moving To An New Cell In Datagrid If The Current Cell Is Empty

Aug 2, 2011

I have a datagrid that will be accepting data from an external measuring device via the serial port. The grid is also open to editing records as well. Part of the process of making this grid user friendly is to intercept the "enter" key and move to the next cell until there is a value in the cell. This is only for some cells, other cells can be blank. I have worked out how to intercept the "enter" key from another post on this forum. Here is the code:

[Code]...

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DataGrid - Update Individual Cells?

Aug 5, 2010

I have a mature VB6 program that depends heavily on flexgrids for the display.It appears that DataGrids are somewhat of a replacement for flexgrid?I need to update individual cells over and over and I don't see how to address a single cell. Appears to me that most samples are tied to a database which I don't have.If I set up a datagrid that is say 3x3, how do I read and write from and to say the center cell?

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Splitting The String Into The Numbers - Use Each Number As An Argument Within A Separate Query?

Nov 23, 2011

I am creating a process part of which returns a delimited string containing security group numbers, a few examples:

'3|5|6|9|7|4|8'

'5|6|299|27|4|8

'5'

I'm looking for help in fathoming an algorithm for splitting this string into the numbers so that I use each number as an argument within a separate query.Since there maybe only one number, or dozens I cannot work out the logic to make this happen correctly each time.

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Move DataGrid Cell To Another Datagrid's Cell?

Aug 15, 2011

I have searched alot but can only find info on moving entire rows bound between 2 datagrids, but noting on moving single cells. I have some code below that works ok from DGV to textboxes but not from DGV1 to DGV2.

Dim i As Integer
i = DataGridView1.CurrentRow.Index
Form3.DataGridView1.Item(1, i).Value = DataGridView1.Item(0, i).Value

[code].....

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VS 2008 Formatting A Numeric Cell In A DataGridView

Aug 16, 2009

I'm trying to format a column of numbers is a datagridview and I'm having some problems. This is the code I'm using: dgv.Columns(5).DefaultCellStyle.Format = "n2" If the number I put in the cell is 100.50, it shows up as 100.00. If I try to edit it back to 100.50, I get a "value was either too large or too small for an Int32" error. The cell also is accepting Char data. I want to format the column so it only accepts numbers in a '#####.##' format.

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How To Add Spaces To Numeric String Every 2 Numbers

Oct 21, 2011

I used a regular expression, which handles both numbers and letters in strings of arbitrary length, in one line of code.
dim rtn as String = Regex.Replace(input, "..", "$& ")

I'd like to take numeric strings of arbitrary length and insert a space every 2 characters.
So 1233456 becomes 12 33 45 6. Is there a way I can use format as string or IFormatProvider, like? That would put a limit on how long the string could be though, right? Since I'm casting to a long.

CLng((input)).ToString("## ")
I'd like to take strings of arbitrary length and insert a space every 2 characters.
123dssas4rr should become 12 3d ss as 4r r

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Programmatically Change Foreground Color And Make Bold Text In Individual Cell Location On DataGridView Control?

May 5, 2010

How to programmatically change foreground color and make bold text in individual cell location on DataGridView control (Visual Basic)?

I use "dgMatrix.Rows(r).Cells(c).Value = x" to assign individual numeric values to individual cells in a DataGridView control. My question; is there a similar way to change foreground color and make bold the text in this cell, by specifying the individual row/column cell location?

For example; for cell (row 3, col 5) in the DataGridView make text in cell say red and bold or blue and bold so as to highlight and distinguish individual cell contents. As needed, I will also need to reset these properties (foreground back to automatic/black and font from bold back to regular); the reset could be done globally to the whole DataGridView as opposed to indiviaually by cell.

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VB6 Adding Random Numbers To Numeric Data

Apr 5, 2010

I have an issue in VB6 that is giving me a major headache. When using a variable defined as a single data type, VB6 will add random numbers to the number i assign to it.

For instance I have a single variable that is manually set to 0.3. Then i create another single variable and set it to 0.25. I have the program add 0.01 to the second variable until it equals the first. But they never equal. I couldn't figure out why when both were showing they equaled 0.3.

[Code]...

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VS 2008 - Checking If A Textbox Is Numeric And 4 Numbers?

Sep 8, 2009

best way to check if a textbox has only 4 numbers and isNumeric, for example i need to enter postcodes.I currently have:

If CDbl(txtPostcode.Text) <> 4 Or Not IsNumeric(txtPostcode) Then
MessageBox.Show("Postcode must be 4 Digits", "Error")

But the message box comes up regardless of whether there is 4 numbers, letters, or anything in the textbox. Its also used in the leave function of the textbox.

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VS 2008 Finding All Numeric Combinations Of A Set Of Numbers?

Jun 7, 2009

I am trying to create a program that can figure out all the different combinations of numbers in a string.

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Sep 14, 2009

I have a string I want to parse. I could write the code to do so, but I figured that VS.NET has a parser that should do this for me.however, I can't find it. All the searches I do return info on how to parse numeric values in string form into real numbers. It would be nice if the MSDN search had some ways to allow users to enter more details than just search text and 3 ways to filter out irrelevant stuff. In any case, I also tried things like string.parse (nope - although I kinda figured this would be it.) I also looked at Enum.parse, but the code indicates that it works with arrasy of items, not strings.

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VS 2010 - Checking If Numeric Value Matches Two Numbers In Text File

May 14, 2012

I have a textbox which has a numeric value that changes - would it be possible to check if that value matches two numeric values in a text file? and if the value matches then to display some text in a label? The textfile only has fields displayed like so
Horizontal 55
Vertical 16
So I would only need to check if the numeric field in textbox matches the two numbers in the second column. In the past I have use System.IO.File to create/delete/append to files but I havent come across anything like contains.

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Aug 23, 2005

I'm realy green when it comes to programming but I like to think I am learning quickly. However, I cant figure out how to generate a number of random numbers baised on the vailu of a numeric slider. So for example I am generating a number between 1-12 where each point of value for the slider would generate an indiigual number that can all be added to a final total. I would also like to be able to back the slider down to a previous number and have the same total I had last time I was at position x. This is what i have so far:

[Code]....

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Converting Text Containing Alpha-numeric & Special Characters To String Of Only Capital Letters And Numbers

Nov 19, 2011

I have encrypted a string to something like this:

1. Asak2$)kla1015QAXKFskfa332aSJ2(Ska@Skljcmcel3p.lq,aowpqaskla2@)Skx.:Pdm^),dfs;

what i want to is convert this string to something like this

2. JXK2LB AP2WXB S1P0XE ZXPA3H X1LAKW DOXPS3

both 1 & 2 the above strings are fictitious (i made them up to make my point clear)

I am trying to make a licensing system for my VB 2010 express application. (2) above will act as a serial key which can be derived from (1) which is an encrypted form of something unique of the client computer.

I will then confirm the (2) from the client.

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Mar 24, 2012

I have one data grid which contains a column which contains long string values. When I edit it, the text box which appears is very small. I want to increase the length of text box.

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Get A Cell Value From A Datagrid Cell?

Oct 30, 2009

I am trying to get the cell value from a particular cell in a DataGridView table but am having a little problem with the syntax.My research suggests that I need to use the command:

DataGridView.Rows.Item("Index of Row").Cells.Item("Name of Column").CellValue
but when I create the command:
x = DataGridView1.Rows.Item(0).Cells.Item("Dec").CellValue

[code].....

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Display Individual Parts With Individual Prices

Jul 11, 2011

So I have a code atm that has 2 combo boxes, one to select the make, then it will enable the model, I have 3 model choices, here's code: [code] Once I have selected my model of the car, it takes me to that specific form with a picture of that model, I then want to display individual parts, with individual prices that will add up in a text box above.

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Get Cell Value From WPF Datagrid?

Nov 4, 2011

am converting a old vb.net program to WPF and am having trouble. I imported some data to a datatable and dumped that into a datagrid. I now need to go row by row and extract the cell values and use them to update the appropriate database record. This was working in my old program using:

For i = 0 To DataGridView1.Rows.Count - 1
cellvalue = Me.datagrid.Items(i).Cells(8).Value).ToString
(insert to database) etc

[code]......

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VS 2010 Combining Text And Numbers From A Cell?

Jun 12, 2012

I have some trouble to combine text and numbers from a cell in my excel sheet.C

FilePath = "V:DatasheetPDF-COA & Sheets("Ark3").Cells(4,10).Value & *.*"

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.net - How To Get Datagrid View Cell Value

Nov 24, 2009

Using VB.NET How to get Datagridview cell value.

I want to insert a Datagridcell value in the table, How to get datagridview cell value.

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Apr 1, 2011

I am creating a POS system, but there are a couple of things that I cannot get my sales form to do. It contains a datagrid view of the table containing columns code, description, Qty, total. After the code has been entered, I want it to load the description automatically. After the Quantity has been entered, I want it to give the total amount for that Item + the total amount for this order.

[Code]...

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Add Combobox For One Cell Into Datagrid?

Apr 23, 2008

I have created datagridview in vb.net. and I want to create combobox for one particular field or cell.

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