I would like to know if there is a straight forward way to check if dynamic array is set (initialized)? Is Nothing doesnt work with arrays and I dont want to use On Error GoTo becouse I dont like making jumps inside code. Sorry for this simple question but there is nothing about this in book i use and I couldnt find it in this forum.
View 8 RepliesI have the following code that i want to use to run trough a few checkboxes to check the value and then wright something in a cell. i have written the the checkbox name to a variable and then want to use it in the if command but gives me a type mismach.
Code:
Dim CheckBox As String
For i = 1 To 204
For c = 3 To 227
CheckBox = "Sheet3.CheckBox" & i & ".Value"
If CheckBox = True Then
Range("J" & c) = "Done"
Else
Range("J" & c) = ""
End If
Next
Next
Secondly, I am struggling to find a solution to something that in PHP, Java and javascript is painfully simple! That is - checking to see if an array contains no elements.
In PHP for example, you can do:
PHP Code:
$arr = array();echo empty($arr)."
";echo (sizeof($arr) == 0)."
";Â
This will produce the following output:
Code:
1
1
But ... I can't seem to find any equivalent of empty or sizeof in VBA.
Is there a way that I can check for the occurance of a specific value in a collection object like an Array or a Range in excel through VBA code?
For example I would like to check programatically if the value "orange" is present in an array by name Fruits(), where the array Fruits (3)=("mango", "banana", "apple").
I have a test to see if a text string is in an array that mostly works, but sometimes fails and I don't understand why.
The routine calls a Function IsInArray which returns a True/False value depending on whether the search term is in the array.
Code:
Sub TestFilterArray()
MyArray = Array("a", "b", "c")
If IsInArray("a", MyArray) = False Then
[Code]....
In this case the first item in my array is "a - b" (note that this is a text string ), but for some reason because my test value is "a" the routine things it must be in the array.
Thus I am thinking that the ampersand and dash symbols are somehow confusing my routine.
How can I change my routine so that it correctly identifies which text strings are in my array?
This is what i want to do: SEE ATTACHEMENT
•Write codes to pop up an InputBox to ask the user for a customer name.
•The program uses the user’s input to check whether the name is on the list. If it is, display an msgbox saying that the customer name is on the list, and the corresponding cell will be indicated in boldface and in blue. Otherwise, an msgbox will be displayed saying that the customer name is not on the list.
Dim the customer list as an array (string var. type) and Dim Found as Boolean. You will need the If-Then construction and For-Next or Do-While/Until loop too). Create a button to run and another to restore the formatting to its original style.
This is what i did so far and still having problems with it:
Option Explicit
Sub customers()
Dim Arr()
Dim R As Integer
Dim C As Integer
Dim ReturnColumn As Boolean
the task for the code below is to search through rows in array and check if there's no "text" in it like user inputed in box. But it always shows that there's no such email,i can't figure out the mistake, Maybe the problem is in the type the InputBox returns? But i've tried entering type := 2 (text),dunno what else i can do...I've also tried using p = InputBox("Please,eneter email!").
View 2 Replies View RelatedMy company uses 4 types of barcodes 8, 12, 13, & 14 number barcodes for our products my problem is that I can't figure out how to force the barcode to format properly no matter how somebody enters it if they don't use spaces or put them in the wrong spots, I can't use custom formats because there is 4 different layouts
8 digit should be "#### ####"
12 digit should be "###### ######"
13 digit should be "# ###### ######"
14 digit should be "# ## ##### ######"
these barcodes are in columns L, M, & N also right now 'm using a formula in another cell to verify the barcodes by calculating the check digit and comparing it to the check digit typed the formula i'm using is
I have data in Row 53 that spans 7 columns, but stays in the same row. I want to design a loop to select every 7th cell in that row and check if it is empty. If not, add onto a "counter" then display the final number of occupied cells (the value of the counter) at the end. This is what I have so far, but I get all sorts of errors.
Code:
Sub Tester()
Dim WB As Workbook
Dim WS As Worksheets
Dim modCounter As Long
Dim Cell As Range
Set WB = Workbook("Transverse Series.xlsm")
Set WS = WB.Sheets(BM18)
[Code] ......
I am using this code
View 5 Replies View RelatedI want to have 1 check box affect 3 others in the following way: check box 1 if checked, allow check/uncheck of check boxes 2, 3, 4 if unchecked, uncheck boxes 2, 3, 4 and do not allow checking check box 1 is linked to D1 which starts with a value of false. cell E1 is if condition to have value 1 when D1 has value of true.
I have attempted to attach an example worksheet.
Test check control.xlsx
I am creating a userform with 10 checkboxes. The first 9 checkboxes are user options. I want the 10th check box to be a "Select All" option i.e. if the 10th checkbox is checked all the other 9 options are deemed to have been selected.
The way I want the display to work is that if the 10th checkbox is ticked all other checkboxes are cleared. Also if the 10th checkbox is ticked and any of the other check boxes is selected then the 10th checkbox should be selected.
I have tried coding this up but the checkboxes don't seem to operate as desired. I placed some code on the click event for the last option button to set the vlaue for all other buttons to false. This works but the 10th check box doesn't get ticked itself. When I try to code up the other bit I get similar issues.
in C a string is nothing more than an Array of characters ending with a null character.
in VBA this does not seem to be the case.I am trying to use the BlowFish code from David Midkiff for some encryption, however the code sometimes fails:
When encrypting a string a string of a specific length should be returned. however sometimes one of the characters of the encrypted string is a null character, and the returned encrypted string (with a embedded null character) is causing me problems. I want to check for the null character and if present redo the encryption. But how do I check for the presence of this null character in a unicode (double-byte) string?
Checking with Len(encrypted) gives the correct length (!) but trying to move each (unicode)character into an array fails when using the Mid() function past the null character in the string.
Now I can use
byteArray() = StrConv(unicodetext,vbFromUnicode)
to get the lower byte of each character into an array easily, but how do I do this for both bytes of the unicode characters?
Using an integer array does not work other than through
intArray(j) = CInt(AscW(Mid(Outp, j, 1)))
which fails on the nullstring in my encrypted text.
I have tried with variants but so far no luck. I thought if the string was entered into a variant then I could also address the variant as an array of bytes, but that does not seem to be accepted by VBA.
I am trying to populate many arrays with the same code using something like this. For this test, assume the following data in A1.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Code:
Sub populate()
Dim firstArr(5), secondArr(5), thirdArr(5), fourthArr(5), fifthArr(5) As Integer
Dim r, c, num As Integer
[Code]....
The above code does not work of course and falls over. I am unsure whether I should try and concatenate with something like this eg "" & arrName(i) = Cells (r,c) or go down a different route.
I need to export this to Xcelsius which doesn't support any macros/vba. Btw I can;'t use Row() in xcelsius too.
[Code].....
I have a class module with several private variables, including one that is an array of a user-defined type. I am trying to set the values of a single element of this array with "Property Let ..." from a string array:
View 4 Replies View RelatedSay I have 3 columns of data: A1:C10 and I want to run a Match() function on them all together to see if I get a match any one those cells, say the value of have in X1.
Since, Match only allows a One-Column lookup array.. is there a way to "concatenate" or "append" the 3 columns together within a formula so now I would be looking to Match in an array that is 1 column * 30 rows?
Basically want to convert =Match(X1,A1:C10,0) to =Match(X1,A1:A30,0) without moving around the raw data in the sheet.
And I want to avoid doing an AND or OR formula that uses 3 separate MATCH() for each column.
I have a hunch that the MMULT or MMULT/TRANSPOSE functions are involved, but can't seem to get it right.
I'm only starting to get to grips with arrays. I have what I consider to be a lot of data that I need to 'cut' into separate workbooks. I have written some code that does this by simply looping through each line, 250k+, checking against a variable and copying the row into a separate sheet. This took longer than it would have doing it manually. It was suggested to me that I use arrays to speed up the process. I have managed to store the test data into an array but am struggling to find a way to loop through and pull out an entire 'row' from the array based on a variable. I have looked for 2 days in various places to find some way to loop through the data held in the array, but to no avail.
That code will appear here from about 8am GMT tomorrow. I know that once I've cracked this I'm on the road to some very significant time saving and comprehensive report writing.
I want to pass an array to Offset in the "Height" parameter, without having to type the array.
{=MAX(SUBTOTAL(9,(OFFSET(A1,ROW(1:5),,{1,2,3,4,5}))))}
I can't seem to figure out how to build the {1,2,3,4,5}. I've tried another ROW(1:5) and have tried nesting that like N(ROW(1:5)) but nothing works.
How I can get the {1,2,3,4,5} without having to type it out (so that I can expand this to a larger list)??
I am trying to filter an array (the longer one) using the shorter array as the criteria. I am currently doing this using the following method
IF(LOOKUP(lookup cell, array)=lookupcell, lookupcell, "FALSE")
I then copy and paste 'values' and filter out the 'false' to get my final result.
This has worked in the past, but for some reason that I simply can't figure out, the formula isnt working! I've attached the example, and I've highlighted a number in blue (cell E522 and C103), (that should be being found in the 'LOOKUP' function) but is returning a "FALSE". I have looked over the code and simply can't figure out why Excel isn't returning the right value.
This is obviously happening for a quite a few of my numbers, as my filter result is returning an array that is about 1500 shorter than it should be. I have highlighted E522 as the 'example cell' to look at.
wondering is there a VBA equivalent of --() in excel that turns trues and falses to 1's and 0's?
View 14 Replies View RelatedIs there anyway to recreate this formula w/o it being an array ?
{=IF(C3="","",IFERROR(INDEX('Master List'!$B$1:$B$2000,MATCH(TRUE,ISNUMBER(SEARCH('Master List'!$A$1:$A$2000,C3)),0)),"ADD TO MASTER"))}
=CORREL(C1:C10,C12:C21) at H1
=CORREL(C1:C10,C23:C32) at H2
=CORREL(C1:C10,C34:C43) at H3
etc
can i have a macro that first array remain the same, and second array always 11 cells added. drag it down also can
I've tried to multiply each element in a 6x6 array by a similar 6x6 array, both on the same sheet, and it worked.(see Macro2 and attached xls file "Test").Then I got more ambitious and tried to do the multiplication from a standard array in sheet "TestA", with the result on the same sheet, by each array in sheet "TestB" and failed.How do I solve this problem? Pgualb PS:I'm using the R1C1 style.
Sub Macro2()
For y = 29 To 34
For x = 2 To 7
Cells(x, y) = Cells(x, y - 27) * Cells(x, y - 18)
Next x
Next y
End Sub
Sub Teste12()
'Multiplica matriz em TestB por matriz padrão em TestA com _
'resultado na matriz em TestA correspondente à matriz em TestB
'
Dim x, y As Integer
For y = 2 To 7.............
When I press a command button I want to:
Uncheck a checkbox made with Control Toolbox
Check a particular Option Button within a group box made with the Forms Toolbar.
EDIT: Clarification, I want both things to happen when I click one button.
Assume that I have in Sheet2 a list of CUSTOMIZED name.
[Code].....
Now in Sheet1, I have data in column A that has strings consist of the customized name.
For example
[Code] .....
What function should I use that could give me the result of the CUSTOMIZED name?
I was thinking of a formula i.e.
[Code] ......
Obviously, the above formula give me error. Even if it works, it'll not give me the customized name ...
I'm new to arrays. They seem promising for what I want to do though...
Heres where I'm at. I have some data like this:
items freq 1 0.5 2 0.5 3 0.5 4 0.25 5 0.25 6 0.125
Now, I've created a 2 dimensional array, as such:
Code:
Sub testarray()
Dim arr1 As Variant
Dim rng1 As Range
Dim lngX As Long
Set rng1 = [A2:A6]
ReDim arr1(1 To rng1.Count, 1 To 2)
For lngX = 1 To rng1.Count
arr1(lngX, 1) = rng1.Cells(lngX, 1)
arr1(lngX, 2) = rng1.Cells(lngX, 2)
Next
End Sub
Now, what I need to do, is create an array for each freq of all the items that share that freq. Essentially I need this:
0.5 {1,2,3} 0.25 {4,5} 0.125 {6}
Now, I was thinking, if I could create a dictionary object and make the key the freq (so my keys would be 0.5,0.25,0.125) then I could assing the "item" an array (or another dictionary) holding the items that apply to that freq.
I just wanted to concatenate a few cells using an array formula like this:
{=SUM(IF(B2:J2="";0;B2:J2))}
Well, this does not work. I have no idea why it fails. Any solution to this without scripting?
i need to replicate what i did using array formulas with VBA macro (array variable). to make things clear and simple i created an example for illustration only. look at it & u will find what i did & what i need to do ,much of it
in writing so that i accurately describe my problem. attached is my example
On one sheet (KPI) I have either the values "x" or "" in the range A84:A89 to mark wheter to use the corresponding project in the range B84:B89. On the sheet X-ref I have the same project names in range T4:Y4 and a corresponding target value in T8:Y8
What I want is the sum (or average) of the marked-projects target-values. The result should end up in KPI!G31.
In other words I want
=sumif(A84:A89;"x";'X-ref'!T4:Y4)
but it doesn't work since the first range is an column-array and the second range is an row-array.