How To Get Sum Of Numbers In Specific Field Of Table
May 19, 2010
From within Excel, I want to import data from Access. This is simple enough using Microsoft Query. What is not so simple, at least to me, is how to get the SUM of numbers in a specific field in a specific table in Access. I do not need to import every number in the field only the SUM of the field. I need this 'total figure' to be placed in a cell in an Excel spreadsheet.
The data is listed in the Access table in this order: (there are others but these are the three I am interested in)
TimeStamp, Terminal, TransActionTotal
Simplistically, there are three cells (A2, B2, C2) on on the spreadsheet (one for each terminal). The first should show a total for the day for Terminal 1, the second for Terminal 2 and the third for Terminal 3. Is there a way to get Excel to read the data in the table, add up the appropriate fields by date and then write this total in the appropriate cell? If it makes it any easier, the date is recorded in another cell on the spreadsheet (let's say E1).
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Jan 31, 2012
I have a problem deleting specific field in the table. Instead of deleting specific field in the table, the entire row that is selected in the flexgrid is being deleted. please give me idea what code should I add to delete my last row in the flexgrid at the same time delete the data from the database. This is the code i have so far.
Private Sub cmdUnload_Click()
Dim db As Database
Dim sql As String
[Code].....
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Nov 21, 2009
I'm a beginner developer using VB 2008 Express Edition and SQL Server 2008 Express. I have tried my simple problem using many different ways and also have searched the web, LINQ to SQL, SQL commands, MSDN library, MSDN Forums, 'How do I' help document, and ... but come up empty. In my simple Table.mdf (see below), I have created some tables (T1, T2, T3, ...) which none is joined together. What I try to do upon request is to get a value string of specific row and column of table?
[Code].....
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Feb 24, 2010
I am building a data based application using VB 2008 an SQL Express. I need to create textboxes on my form using code, (With & End With) method. I need a simple code string that will allow the app to check if the field to wich the textbox wil be databound is Nul, If so the textbox will not be created.
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Jul 22, 2010
I am creating a database in VB.NET for a movie rental place. I currently have three forms;
Member Information
DVD Information
Borrow DVDs
What I would like to do is when I am viewing a member's details, if I click a button 'Borrow DVD for Member', the member's ID number transfers over to the Borrow DVDs table in the Member ID which also would hold some information from the DVD Information table, but I'm sure if i can figure out how to do this firstly, I will be able to apply the same rule and work it out myself.I have been trying to use a query statement like;
INSERT INTO [Borrow DVDs].[Member ID] [IN goodstuffvideos.mdb]
SELECT [Member Information].[Member ID]
FROM [Member Information]
but that has been coming up with error codes and completely not working.
Borrow DVDs table fields are: Borrow ID, Member ID, DVD ID Number, Hiring Fee, Borrowing Limit?
DVD Information table fields are: DVD ID Number, Title, Rating, Hiring Fee, Borrowing Limit Member?
Information table fields are: Member ID, Family Name, Given Name, Address, Town/Suburb, Postcode?
The error coming up is; Error in INSERT statement. Unable to parse query text.And under that it says The query cannot be represented graphically in the Diagram and Criteria Pane.
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Jul 8, 2009
I currently have this working already for one of my combo box's, but when i try to use the same code i get this error ''There is no row at position 6.'' . The are 2 fields in the table asset_type_id, asset_type_name', im trying to dispaly the values in a combo box for the field 'asset_type_name.
the code for ' Friend Sub RetrieveCustomerInformation2()' works but the other friend sub throws the error.
Imports System.Data.SqlClient
Imports System.Data
Imports System
Imports System.Data.OleDb
[Code]...
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Feb 23, 2011
I have a query that I have to run that requires me to get rows from a table based on the value of a field in another table (which I have gotten earlier). I currently have it done like this (simplified).
[Code]...
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Apr 1, 2010
How do i validate a field which contain both characters and numbers? For example, I have a field call Item ID and it must be in the form of ABC123 where ABC is the fix characters that will appear in all the Item ID and 123 is the one that will change accordingly.
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Apr 20, 2010
I have a Repeater... And it has a Weight field. the weight it displayed in a textbox. I have this piece of code:
lblTotalWeightCalc.Text += NewDV.Item(i)("Weight")
This will get the Weight and display it in my label. But when I select more than one item (which will have two weights) it will show: For Example:
Item #1 : Weight = 20
Item #2: Weight= 50
The total Weight= 2050 (it doesn't add them together) I need them to be added together....
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Aug 13, 2011
If I have a form that has a text field, and I want that field to only accept numbers or backspace, I can create a sub such as:
[Code]....
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Jun 20, 2010
In my application I have fields where a phone number can be copied and pasted in a field. I want to strip that number of ),(,- and spaces. I want to use a function so I can just give the number a value like:
Public Function StripPhoneNumber(ByVal PhoneNumber As String) As String
PhoneNumber = Replace(PhoneNumber, "'", "")
PhoneNumber = Replace(PhoneNumber, ")", "")
PhoneNumber = Replace(PhoneNumber, "(", "")
PhoneNumber = Replace(PhoneNumber, " ", "")
PhoneNumber = Replace(PhoneNumber, "-", "")
Return PhoneNumber
End Function
Then in my form just simply type Phone= StripPhoneNumber(txtPhone.text)
I just needed to add the Return. It works. What do I need to do to that code to make it return a value?
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Nov 4, 2009
I posted in the Database development forum, but no bites. I have field names in my Access table which have a number as the first character (i.e. "2x2"). Evidently, the DataAdapter doesn't like this. I'm able to view the data in a DataGridView, but I get an exception when I use DataAdapter.Update.
Can I modify my sql statement to make the command builder work or do I have rename the fields?
For example:
"SELECT [2x2] as twoBytwo..."
Changing the names of the fields would be a huge pain-in-the-arse!
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Oct 16, 2011
I didi this code to take the number only between 7 to 1 but didin't succeed
What is the error
code:
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Jun 3, 2011
I'm trying to add certain numbers together from a textbox full of numbers from 1 to 10. This is my
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
End Sub[code]....
When the button is clicked, it gathers the list of numbers from the test.txt file and displays it in the textbox. Now what I want to do is make a label so that after it streams the data and displays it in it's multi-line text box, is for every 10 and 1 displayed on one line, it will subtract 1 from the number in the label. For every 2,3,4,5,6 I want it to add 1. For every 7,8,9 it will not add anything.For those who can tell I'm a blackjack fan and I was curious on how to keep a running count in a label from a multi line list of numbers.
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May 21, 2009
I'm trying to transfer only the numbers after the £ Character from Textbox1 into Textbox2. If textbox1 contains numbers before the £ character then it just transfers the first numbers before the £ character which is not required.[code]
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Jan 20, 2012
i two tables named tblaccess(nID,nRoleID,nModuleID,cAccess) andtblmodule(nModuleID,cModuleName) and i have a datagrid which is bounded to tblaccess. the problem is, I want to display cModuleName from tblmodule instead of nModuleID. please tell me how.
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Oct 3, 2009
Trying to create a form where user enters a lower bound, upper bound, and an amount of random numbers to generate (that are between the lower and upper)
I was able to get it to generate random numbers but only 1 per a click of the calculate button...I would like user to be able to click button and it to generate and display all the numbers on seperate numbers all at once[code]...
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May 27, 2010
how to loop an SWF file using specific frame numbers. I don't want the SWF file to play thoroughly. I know that frame 1 in Flash is 0 in VB, frame 2 in Flash is 1 in VB, etc.
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Apr 5, 2009
I am currently taking a introductory level class to vb.net. For the assignment it asks to create two functions. One function should create a random number within a given range. I have completed that part. What I am having trouble with is the second function. It wants the next function to use the previous function three times so that it displays 3 separate random numbers within a given range and display it in a D2 string format.
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May 8, 2010
still having problems with mysql... im trying to find out how i can you a for each statement when getting data from mysql table...i have a table with IP and Port fields in... i want to get each and every one of the ip's and use it...for each ip in heat table and then run my "query()" function how can i do this in vb.net?... i can get ALL ips and ports and put in a gridview but would like to use the ip and display the Game Server Data that my query() function gets...this is from a while back when i made my Game Server Browser and just tryiong to make a better way of keeping my ip and port data and mysql seams to be the best way as its online and it can be added to and edited as and when needed and no one has to "redownload" anything?
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Mar 17, 2012
Is it possible that i would only want to insert one field from a table into another table?
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Apr 23, 2012
I have done plenty of VB programming using flat files etc... Now I am attempting to create a SQL database (I have my sql 2008 express box up and running) I can connect just fine, I made my database, made an account and made it data reader and data writer. I even gave dbowner to my user for testing. I created some tables, and I can access them through the dataset designer in VB 2010. Now what I have been trying to figure out all day.
[Code]...
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Feb 2, 2009
I want to retrieve a value from a field of a table. How can I assign this value in the text of a tooltip. The tooltip will appear when the user will move the mouse on a textbox.
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Oct 12, 2010
How can I call my TextBox ID = "txtFromAddress" data to a table that I am trying to send? Right now it is just showing the text '& txtFromAddress' on the table on the email that I send.
[Code]...
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May 6, 2009
I have a table and I want to select a field in it and then display it in a text box
something like:
SELECT userName
FROM userTable
WHERE (userLogged = 'ON')
how can I display the selected username in a textbox?
BTW the userLogged indicates wether the user is logged in or not
if the user is logged in then the userLogged will be changed to "ON"
if the user is not logged in it will be "OFF"
I know it's not that practical but I'm still practicing.
I'm using Visual Web Developer 2008 Express I use table adapter procedures for querying
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Oct 28, 2011
I'm trying to get the list of field names for a given table, to turn them into a string which I can to post back as a variable to another function.I've Googled loads of stuff regarding GetSchemaTable but all I seem to be able to output are field parameters, but not the actual value of these parameters (ie ColumnName, which is the one I actually want!)
Found this page; What is the SQL command to return the field names of a table?But all the queries on there give me an error "You do not have access to Table 'Columns'"I feel sure this is pretty simple, can someone give me a little function that will simply give me fieldNames = "fieldName1, fieldName2, etc"I am using a MySQL server and ODBC connections ASP.NET using VB.
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Feb 24, 2012
I have a small page, with a button on it. When I click the button I'd like the code to look at a a field (call the field "InvoiceNumber") in a table (call it "InvoiceTable"), take the last number stored, increment it by "1" then store it back in the "InvoiceTable" and display the new invoice number on the page.Currently the button is called "New Invoice", so clicking this button is going to create a new invoice, with a number one newer than the latest one in the table.
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Jul 2, 2010
I have a table of reports and queries that users of my application can run. I now have a need to allow them to execute a Function and I'd like to treat the function like I have my reports and queries by listing it in a table with a 'friendly user title' attached to it and then when the code executes, it would reference the name of the function that I have in another field of that same record. I can't seem to figure out how I can get VB to understand and treat the value in a field as the name of a function and execute it.
Table
Friendly Name Object Name Object Type
Report of Costs rptCosts Report
List of Costs qryCosts Query
List Active Emails ActiveEmails Function
In my current code I check to see what type of object it is that they want to execute and use either DoCmd.OpenReportor DoCmd.OpenQuery. Now I want to execute a Public Function that I have created that will open its own form to display the resulting requested information in.
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Mar 18, 2011
I am using a VB.Net form in which I have a table of sql. In it is a boolean field.
I want to show this field in a form as checked if that field value is true and if false then it should not be checked. Is this is possible?
If possible please help me with the code which I have to type to make that column in the datagrid view to checked or not.
I have created the sql inside vb.net using add new item and then a database.
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Nov 27, 2011
I have an access database called BKWThermDB1. Within than I have a table called THERMOWELL_DATA. within this table I have a column called QuoteNumber. All I want to do is search that column for an existing number so I can let the user know that this number already exists and to create a different number. I am using the code below which will tell me my Column exists. How can I alter the code to tell me if a certain number exists within that column?
Imports System.Data.OleDb
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code].....
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