DB/Reporting :: Sum() For Text Values?
Apr 15, 2011
I have a table with field data. Each row in the table represents a field on a contact. One row would contain the contact ID, the type of field (ex. "Email"), and the actual value of the field ("here@that.com"). Now i want to list all the emails for 1 contact in a single row (like "here@that.com, a@b.com, test@this.com").Can I do this with an SQL function in a GROUP BY? Something like:
Code:SELECT ContactID, SOMEFUNCTION(FieldValue) FROM Contacts GROUP BY ContactID
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Mar 18, 2008
How Do I show the values from the dataset to the text box based on the selection from the combobox list i already populated the combobox my code is. [code]
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Oct 6, 2010
I have a dialog that is displayed concurrently with the main form and it has a datagridview showing a list of x,y values. The user can actively change the DGV in the dialog, but if I reference the DGV from the main form, it will not capture the user changes, but report the original values that were in the cells. I'm sure there is some sort of refresh or update event I am missing, but I have tried all the VS suggested options for the DGV and the dialog that seem relevant with no luck.
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May 22, 2010
I have an SQL Insert statement and I want to use as values the controls on a form. How does one get the comma between the substituted values? i.e., VALUES('" & combobox.text & "' & "," & '" & city.text & "')" I get an error when it's entered like this.
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Oct 22, 2008
I created a connection string for an excel file. I prefer this method as opposed to creating "Excel" objects since it is not restricted to a specific version of Excel.When I connect to the excel file, I step past the first few rows since they have data that is not needed. When I reach the first field that contains a date, then I begin my data import. However, at that point (A8), it shows the cell in the "A" column as having a Null value even though there is indeed a value in the cell. Columns "B" and "C" are fine.
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Dec 14, 2009
I am making a game and decided to add a high score section. I currently have this code setup to insert and read from the database, I set the insert code to a bottom just for testing purposes.[code]There are three columns in the database rank, score and name. I set the rank to auto number so the database would assign the player rank automatically, how would I go about inserting the score into the relevant place inside the database and moving the other scores to their new relevant places?
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Aug 5, 2009
I've tried different approaches to query a simple xml and compare one of it's values but none of them worked well.
Consider the following XML structure:
<?xml version="1.0" encoding="iso-8859-1" ?>
- <Shops>
- <Shop>
<text>Northampton</text>
<value>NN</value>
<currentdate>050809</currentdate>
<labelcounter>1</labelcounter>
[Code] .....
I have the shop name in a drop down list which is ShopsDDL and it's set to autopostback. What I want to achieve is:
On postback, check for a xml node where node's text = shopDDL shopname
And retrieve also this node's currentdate and label counter.
Rhen, if the node currentday = today then increment labelcounter by 1
Else set labelcounter = 1 and currentday= today
My problem is the XML query, I can do all the logic as soon as I manage to retrieve data from the XML.
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Jun 10, 2008
Once again I have hit a brick wall here. I have a combobox in which the user types the server name and then clicks on button 'CONNECT' to populate the next combobox which contains all the databases in that
server. Then after the user selects a database, I have another button that he/she click and I want to retrieve file groups from a specific table. At this point when he/she clicks on that button I get an error: "An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)"
[Code]...
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Sep 23, 2008
Trying to make a vb.net program that is able to read values from an access database and pass them into some data sets. Here is the code I have so far, with the error line between the two dotted lines:
[Code]...
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Sep 15, 2010
What iam trying to do is selecting rows on multiple column values. But the statement below doesn't preform like i thought it would...
Code:
Select Distinct Variable From TableName Where (ColumnA Like"%AAA%") And (ColumnA Like"%BBB%")
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Feb 20, 2009
how can i import text from text file to access so that:
Text sample:
F2009021908362600111154050110230000203024116461000000000001000
Would be in access
Col1|Col2|Col3|Col4|Col5 and so on.
F|2009|02|19|08
So the point is, how can i put vb to read from left as many characters i want and put the selected range in to access?
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Oct 15, 2008
I have code to show I tried to do it on my own, to boot!
Private Sub OpenPetProfileToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OpenPetProfileToolStripMenuItem.Click
Dim AllText As String = "", LineOfText As String = ""
[Code].....
This save command works perfectly except for the lstshowresults, which I'm having issues getting to appear in the print line bit, but that's for another time.
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Jun 15, 2010
I want to include an average in a column where the average ignores zero values in a report cell where the column may have
17
19
0
[code].....
I want 16, not 11 so (17 + 19 + 12 + 13 + 19) / 5 not (17 + 19 + 0 + 0 + 12 + 13 + 19) / 7 Something like this if it would work.
=SUM(Fields!fieldname.Value) / Count(iif(Fields!count_cycle_per_hour.Value >= 0,Fields!fieldname.Value,0))
Essentially just average everything in the column NOT a zero?
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Mar 26, 2008
I am using VB2008 Express and a MSSQL Server 2005 db by the way! I have a comprehensive SQL statement, which should fill my Grid:
DECLARE @Sum NUMERIC(9,2)
SELECT @Sum = SUM(I_LS.lmenge)
FROM dbo.lfs AS I_L
[CODE]...
Now here is my problem! I want to have a form with a datagridview that displays all of the values I am querying. This shouldn't be a problem I guess. However, I have no idea how I can integrate two textboxes that can be used to enter the selection criteria (WHERE I_L.lfsnr LIKE '%1253') AND (l.sped_journal = '11-08')[/SIZE]. I have googled and read many threads so far but didn't stumble upon anything that would suit my needs and answer my question. Maybe it's just too elementary!? By the way, it is very important that the input of textbox1 ((WHERE I_L.lfsnr LIKE '%1253')) is linked to 3 positions in my SQL query to define the search criteria!
The worst thing is that I don't want to have a bindingnav displayed! I do not need any delete, update or add functions just the select option, however!
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Jul 28, 2009
I have some problems to put my data in the datagrid actualy i dont know how to do it...Its a rcon program when it send the command status it gets some data from the server that need to be placed in the datagrid...I get the response back as text and need to skip the first 3 lines...
Edit: i think i know to get the text in the gridview (String Split ) but how do i skip the lines that i dont need ( from ??? to ---- )
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Jul 26, 2009
I have to save the text boxe values of a form to a text file almost like a data record. I will be saving an Employee First Name, Last Name, Dept Number, and Phone Number. This I know how to do using streamwriter.
next form which we have to use stream reader to load one record at a time. The form has a next button to load the next record. How do I seperate each record (I am sorry for calling it a record if this is inappropriate) when use streamreader and how do I load a record at a time.
I know how to open a file and use streamreader, I just don't know how to read one record at a time and move to the next one.
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May 13, 2009
Sitll teaching myself how database and all that works. Need someone to make this easy program for me so i can study it better. Here. Here's what im looking for: Load Database from Text File - read a file called stationsin.csv and add the records to the database pupulating the stationID, station name and the state fields,clear Database - delete all records from the database .Load Listbox from Database - clear and populate the listbox from the database.Listbox click event - populate the labels with the data from the database for that specific location.
Create a class called dbUpdt with the following functions: Constructor - accepts the file name of the database and stores it in a class variable. Opens the database and connection. Query - accepts an SQL command and executes it.MoreRecords - returns a boolean variable indicating if there are more records left in the dataset getField - accepts the name of the field and return the contents of the field from the current record close - closes the connection deleteAll - deletes all records in the database addRecord - accepts the table name, the key field name and the key field contents and adds a record to the database with just the key field filled in. setDBField - accepts the table name, the key field name, the key field contents, the field to be updated along with the field's contents and updates a single field within a single record.
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Jan 14, 2009
I am writing a little program that does the following:Allows the user to enter a id number.Then when the find button is clicked, we connect to the database and run a select statement for the id.I am trying to figure out how to get the first name, last name and birthdate into textboxes on my form.
I would like to have a way to display a messagebox if the resultset = 0 so as to tell the user no records found.Then if the information is correct I am going to have a button to update the information which is going to call a stored procedure I have in place to update the record.how to make the connection which I think I have working and then loading the individual fields into the appropriate textboxes.
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Mar 15, 2011
This is probably a simple process but I can't seem to accomplish it for the life of me. What I'm trying to do is transfer user inputted data from a Visual Basic text box into an Access database. The database consists of only one table with three fields: First Name, Last Name, and ID Number (auto-increment primary key). The VB code I have so far is this:
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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Feb 17, 2010
i'm having the following code to add the textboxes dynamically. now i want to get the values entered in that textboxes dynamically...
heres the code:
Code:
Public Class Form1
Public x = 17
Public y = 60
[Code]....
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Feb 9, 2010
Ok, i've been making my own syntax highlighter for my project, and i need to know how to make the colour of the text between these two text values green
[Code]...
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Jan 13, 2010
I have declared an array of text boxes created dynamically at run time. The textboxes are assigned some values by user. The text boxes are located in a Form so that once the user fills in the info and clicks the "ok" button, these values are passed at the back end and the form dissappears. However the user can bring back the form again by clicking another button.
The problem is that once the form reappears, the information previously provided in the form remains. Even the user clears the text boxes to provide new value, the text boxes at code behind do not receive these values.
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Apr 23, 2008
I am using Visual studio 2008 to build a web application. What I am trying to do is retrieve data from a database and populate text boxes based on the results.
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May 8, 2008
I load a text file in a datagridview. The problem is that I want to make some validations to it after I import it.
Eg.
AA / Code / Value
1 1111111 12
2 222222 22
[Code].....
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Jun 10, 2008
I have an Access Database that contains two tables. I would like to populate 10 text boxes on my form with the data from the tables. For example: Table1 has a list of names 1 thru 5 and I would like to have 5 text boxes on my form when the form is loaded to populate those names. I know how to populate a combo box with the information, but not sure how to do it into individual text box
Current Code:
'create connection and command string
Dim conStr As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data
[code].....
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Apr 21, 2010
My text file is something like what you see below, and I want to populate the datagrid. Once I populate the datagrid, I'll use that kind of like an excel spreadsheet in the sense that I'll dip in and grab values based on row and column index to display to the user. I will also (on a different form maybe) display the same datagrid to the users so they can sort by column at their choosing.[code]The error I am getting is: Value of type 'Integer' cannot be converted to 'System.Windows.Forms.DataGridViewCell'.
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Nov 10, 2009
I am trying to import a text file to an access database in VB2008 express. The text file I am testing with is a csv file with 34,000 records. The problem is this takes 2 minutes to read through all this and write it to the database. The actual text file I will be using in production has over 800,000 records and this will take a ridiculous amount of time. I think I am doing something wrong. I have posted my code below. I am reading a record, parsing out the fields to an array, then creating an SQL statement to insert the record and executing it.
reader = New IO.StreamReader(fname)
Do While reader.Peek() >= 0
linesread = linesread + 1
[Code].....
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Jun 23, 2009
I use Visual Studio 8 and Sql server for my database. I have a form with a DataGridView where my records are display on from the database and some text boxes. I want to pass the data from a specific record from the DataGridView to the text boxes whithin the RowHeaderMouseDoubleClick function.
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Aug 24, 2010
I have a program that generates text tab-delimited files with a header row and sometimes a units row followed by data.
Example:
FirstName LastName Birthday
Michael Jordan 6/6/66
Alan Jackson 7/7/77
or
FirstName LastName Birthday
Name Name Date
Michael Jordan 6/6/66
Alan Jackson 7/7/77
I would like to be able to perform SQL queries on these files. How can I connect to a text tab delimited file to either pretend it is a database table or import it into SQL as a table, preferably through VB.NET? I could have 300,000 rows, and the fields are all numbers, not text... I have manually imported these files into SQL before using management studio, so I know it is possible but I would love to be able to do it programmatically.
Is there any way I can get the SQL code from this process because it does exactly what I need it to do but it is manual. There is an SSIS package that I saved, but I do not know what that is.
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Aug 26, 2011
I made 'quiz' form: 1 question/label and 3 answers/radio buttons, next and previous buttons.Data is from data set. One question and 3 answers are in one row. After next button is clicked, new row is loaded. The problem is when click 'previous' button: instead of text from data base, checked radio button text is 'True'. The same is when the quiz is completed and I want to review mistakes.
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