Difference makes the DIFFERENCE
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Sample Data in picture:
Examples: when a spread sheet is to be split by bank name or employee name or group name or region name or pin code etc...
Please Note: I have executed the code and placed over here, so, please follow steps give under Sample Code header, and try to execute the program, if it works well, then to read the complete article for understanding as to how it works, else, it is waste of your time.
Let us first consider a situation where you have 10,000 rows, as shown in screen-shot below. The data can be split based on 'Entry Date' Col A or on 'Customer Name' Col B or on 'Customer Number' Col C and so on... ie., in a general situation, where ever we have common data or repeatedly occuring data, we need to split the data.
This can be done in many ways, but, I adopt the following method, which is fairly simple:
This declaration mandates the program to declare every variable that is used in the programme, may it be integer or long or variant or what ever variable it may be, else System displays an error. This is a good practice, because, variables that are not declared are considered as VARIANT and may, at times, doesnot function as intended.
The variables declared in this section or after the option Explicit statement are considered Global Variables, they will be available through out the code in the same module. If any variable of the same name is declared inside any procedure (which is called local variable), this variable has more precedence than the global variable. Please refer SCOPE OF VARIABLE topic.
This is the main procedure from where the program starts and program ends. The program can still work without this procedure but it is advisable for lengthier programs. This is where the basic skeleton of the program resides. Looking into this procedure, we can infer how the program is structured. for additional information on procedures, please refer to Procedures and functions.
The code seems to be self explanatory, but for the advantage of the reader: First line Selects and activates 'RawData' worksheet, Goes to the first cell 'A1', from here, it searches for the last cell in the current work sheet, initialises 'lngDmpLastrow' variable with the last row number, initialises 'strDmpLastCell' variable with the last cell address (though we donot use this variable in this program)
This procedure is used to sort the data on Customer Name present in Column B. Sorting is done on the entire data set, rather on the Customer Name column. The statement '.SetRange Range("A1:G" & lngDmpLastrow)' where we are assign ing the sort function a range from 'A1' to 'G & lngDmpLastRow', where the value in the variable is substituted and hence looks like '.SetRange Range("A1:G20")' (based on the given sample data) The value in this variable is dependent on the data set you have, if dataset has 10 rows, then 'lngDmpLastRow' will have a value of 10, else if, the dataset has a 1000 rows, then the value in 'lngDmpLastRow' will have a value of 1000. Header Row is considered in the statement '.Header = xlYes', so Header Row will not be part of dataset while on sort, and other parameters like match case, order or sort, and the method of sort are also considered in the same code.
prcAddNewSheet This procedure creates a new sheet, created at the end of the current collection, ie, it counts the number of sheets, before the creation of new sheet and adds a new sheet after the highest sheet count value (to put it simply, it appends a new sheet), selects the new sheet and re-names the new sheet with the value in the variable 'newSheet'
prcPasteHeaders This procedure creates header row for the newly created sheet. The source for headers is the RawData Sheet. It will retain the format / coloring of the headers and also the column width as it is in RawData Sheet.
prcSegregateNewSheets This is the main part of the program, that we intend to work with. The entire program is taken in a loop. The look start with 2, because the first line has header information. This look works till the end, ie., the last row, checks if the next value is equal to the current value, if so, it skips, else, new sheet is created, header row is added, Copies the current selection into A2 cell of the new sheet.
prcDeletePrevSheets This procedure is generally called a Clean-Up procedure, where it intends to clear any sheet that is already existing, with exception to the one in the given code. In the given code, it deletes all sheets other than 'RawData' sheet.
cmdRun_Click This activity is for the easy user interface. This is discussed at length, in the article, UserInterface (to be published). for a brief disussion, Place a control on the work sheet, right click on the control, Click on View Code and place this code over there. Now, instead of moving onto code window every time, one can click on the button to execute the program.
I suggest you to practice the same code by doing the same with other different columns over here.