Combining Info From An Array And Excel Database?
May 9, 2012
I have been tasked by my boss to create an application that takes information from an excel database holding sales figures, margins, budgets etc calculates all the figures and exports the totalled values to a table and graph also in excel. Although this is fairly easy, there is some complications I am dealing with. In the database there are many territories, and each employee has 1 or more territories.I'm not sure what I have done wrong, however the totals are not adding up properly. My code is:
'Defines Excel Objects
Dim objExcel As New Excel.Application
Dim objWorkbook As Excel.Workbook
Dim objSheet As Excel.Worksheet
[code].....
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Apr 19, 2011
Can this be rewritten any better using LINQ? I'm a C#er trying to think in VB.NET for this current project. It's in an ASP.NET Web Forms .vb codebehind:
Public ReadOnly Property AllowedCategoryIds As Integer()
Get
Dim ids = New List(Of Integer)
[Code]....
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Nov 17, 2011
I am trying to do is fill out a form with certain info, put the info into an array, and write it to a listbox using loops, arrays, and maybe a function if I need one. This is for VB2010 and here is what I have so far... I think there are ways to make it shorter but I cannot figure it out.... maybe just brain dead from all the coffee I have been drinking!
[code]...
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Dec 4, 2009
Novice VB user, trying to create a pop up msgbox upon opening a file, whereby the user selects from a list (of available options), the choice then gets entered directly into a cell reference. I have seen this before and know that it's primitive programming but i'm still a learner.
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Jan 7, 2010
I'm making a database app. I've finish the search, add new, and add function. What I'm trying to do is to expand the functionality of the add new item function.
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Dec 3, 2010
this is my code for exporting datagrid to excel
Dim strFileName As String
' Create a dialog box to find the excel file
Dim dlg As New Windows.Forms.SaveFileDialog()
dlg.Filter = "Excel Files (*.xls)|*.xls"
dlg.FilterIndex = 0
[Code]...
This is what i do, i first export the data to excel then i import that excel file to another datagrid, this is just for testing cuz i will be getting excels from another computer same program, anyways, there are 2 columns that wheni import the excel file, it doesnt read it it shows in datagrid with no value,empty cell, i dont know why, because in excel the values are there, and all of them are strings sometimes it contains numbers, but theyre manage as string.
I added the images of excel file after i export the datagrid
and image of datagrid after i import that excel file NOTE THE EXCEL VALUES IN EXCEL< and empty in DATAGRID
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Jun 5, 2009
I need to be able to write info out from Excel cells to a Word Doc. Can this be done and can it be done without having the word file open?
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Nov 10, 2011
I have a datagridview which I would like to be able to export the information to an Excel spreadsheet, and be able to reload the information later on from a specified worksheet. Also, I'd like to avoid using Databases with Access etc because I am aware that some of the machines I'll be deploying the program on do not have Access installed and would not want to have to install it either.
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Jul 5, 2009
My main goal is to have an excel spreadsheet that automatically plots the overall success of my stock portfolio over time (% change over time). I've been able to incorporate stock data into my spreadsheet by linking it to the web, but the trouble is the spreadsheet will keep no history of what the previous stock values were, so I can't graph how things change over time. This sounds like it might be too complicated to be built in to excel, so I was wondering if anyone knew how to program this in Visual Basic. Maybe something like this.... If refresh then new cell plus new time stamp. Another possibility would be to have a whole bunch of cells that refresh only once but at longer and longer intervals, e.g.,
Day Stock value
1 refresh at Day 1
2 refresh at Day 2
3 refresh at Day 3
etc..
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Oct 2, 2010
How can i display a certain region/selection (rectangular) from an excel file into a form.
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Dec 8, 2009
Code:
Private Sub weeklyTextBox_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'disables and enables correct buttons for initial start
[Code].....
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May 28, 2012
I am exporting crystal reports information into an excel spreadsheet and now I am trying to open up excel so that the user can view the page but however I cannot SEE the excel file. in Task manager there is EXCEL.exe which shows that maybe excel opens up but the spreadsheet is not visible.
Imports CrystalDecisions.Shared
Imports Microsoft.Office.Interop.Excel
Imports Microsoft.Office.Interop
Private Sub btnPrintExcel_Click(sender As System.Object, e As System.EventArgs) Handles btnPrintExcel.Click
[Code] .....
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Apr 25, 2010
I am trying to do a form it has 2 comboboxes and I have the arrays set up one of the combboxes is for pizza size and it has 4 selections and the other combobox is for crust style it has 2 selections. The user has to pick on of each and it pills the price from the array and then displays the price in a text box. I for the life of me can't figure out how to get it to pull the info from the array and then display it in the text box, it either displays nothing in the text box or a 0 or 1.
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Sep 9, 2010
I want to reading in a excel file and extract the sCodenumber sDescription ans the sStatus and store them in a array : StatusComposeArray(5200) As MyCompose. After this I need this array for comparing outside this class. But as can you see the array is defined inside the sub: ReadingIn_ExcelFilesCompose [Code]
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Jun 7, 2012
i am trying to make a login screen that is connect to a database(NOT MS ACCESS).i keep geting an error when i try geting it to conect to the database
"Value of type MySqlData.mySqlClient.MySqlDataReader cannot be converted to System.data.OleDb.OleDbDataReader
At rdr = MyCommand.ExecuteReader()
dose anyone know whats going on
[Code]...
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Apr 11, 2010
I created a database in access 2007, linked it to my project in visual studio 2008 (vb). When I enter some data using the UI, it does not save it in the database, and it's gone as soon as I run the program again. I dragged the textboxes from the datasource panel, onto the UI..
this is the code that was automatically generated by vs for the save button:
[code]Private Sub StaffBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles StaffBindingNavigatorSaveItem.Click
[Code].....
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Feb 15, 2010
I have 3 labels I want to populate with info from my database. I have a SELECT statement that works for only one piece of info but I need it to include the other 2 as well.
I have 3 labels: Current, YTD, and MTD My select statement is working for YTD but I don't know how to write the SELECT statement to include the others.
[Code]...
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Mar 13, 2011
This code is correct...
Do While rdr.Read
issuebook.cbmember.Items.Add(rdr.Item("FName"))
Loop
Suppose i want to add both last and first name..I tried this but getting a error
Do While rdr.Read
issuebook.cbmember.Items.Add(rdr.Item("FName" & " " & "LName"))
Loop
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Mar 13, 2011
I have selected the info that i want from my database but im unaware of the syntax need to be used to add them to the datagrid.The datagrid has the column...BookName, DateRetun and DateIssued.
cn.ConnectionString = "data source = RayonRayon; initial catalog = library; uid=sa; password=minnie"
cn.Open()
cmd.Connection = cn[codee]....
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Feb 4, 2011
got a new problem while trying to add a new user into the database. After i've submitted all the data i get an error message saying "Conversion failed when converting the varchar value "Aron" to data type int" to be honest, im totally stumped as to what this could meen, does it meen its trying to convert string type data to an integer? Anyway heres the code im using
[Code]....
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Jan 29, 2011
im trying to add a new user login to my database through my program, and i've got the procedure worked out, i just dont know how to retrieve the inputted data.
Basically i've got three text boxes that ask for "Name" "Password" "Phone Extension" but how would i work them into his statement?
CreateLogin.CommandText = ("INSERT INTO Users (UserID, Password, Phone) Values How would i follow up after "Values"??
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Jun 1, 2012
I have a gridview with four template fields that I need to be able to put info into to save to the database. When I hit the edit button and my columns change into edit mode I can enter information just fine. But when I try to loop through the control to get the information it doesn't pick anything up?
Private Sub gvOLIAdj_RowEditing(sender As Object, e As System.Web.UI.WebControls.GridViewEditEventArgs) Handles gvOLIAdjst.RowEditing
gvOLIAdjst.EditIndex = e.NewEditIndex
BindData()
End Sub
Here is the update event that I have so far... any ideas? Am I just not doing this right?
Private Sub gvOLIAdj_RowUpdating(sender As Object, e As System.Web.UI.WebControls.GridViewUpdateEventArgs) Handles gvOLIAdjst.RowUpdating
Dim dts As DataTable = DirectCast(Session("BudgetsTable"), DataTable)
Dim row As GridViewRow = gvOLIAdjst.Rows(e.RowIndex)
[Code]...
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Jan 8, 2010
how do i get info from 2 different columns in an Access database and put them together in a drop down menu. (i know how to get data so that i can see it in just a textbox but i dont know how to put 2 data together and then display in a drop down.
another question is how do i save info that has been changed back into the access database i got it from
last question- how do i make a textbox only take numbers
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May 4, 2010
I am working on a project for my final in vb.net and I have a weird error when I try to insert info into my database. When I run the application it errors out on command.ExecuteNonQuery()and the error is Syntax error in INSERT INTO statement. I have the fields in my database are set as text at 255 chars. I have both inmports statments at the top, and as far as I can tell my statement is right.
Here is my code.
Dim con As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source =../../Base/LogTextCopy.accdb;Persist Security Info=False;")
Dim StrSQL As String = "INSERT INTO TIMEANDDATE(DATE, TIME) values(@date, @time)"
Dim command As New OleDbCommand()
command.CommandText = StrSQL
[Code] .....
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Apr 29, 2010
So I'm having more database problems. The specific problem I am having is that I am trying to update a DataGridView to display new information that was input into the database programmatically. I have tried several methods, but none have worked, and one actually "broke" the program. So I am in need of some more assistance.
Here is the current code that I am trying to use to update the view (this contains pretty much everything that I have tried up until this point):
[Code]...
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May 1, 2011
How connect Vb.Net to MYSQL..? How to add info to database user informations using mysql database. How to call login infos using mysql.
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Jan 11, 2009
I am just trying to get the information i collect from the pc's hostname and pass it into a db. All the db passwords, location etc are correct but i am getting nothing.
Imports System
Imports Microsoft.Win32
Imports System.Data
Imports System.Data.SqlClient
Public Class Form1
Private Sub DB()
[Code] ......
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Feb 5, 2011
I'm really new to any form of VB programming and I am trying to create a form which will allow me to take information from an attached database holding information on:
class names (i.e. Year6 Dragons)
Students names (i.e. Sarah Jessica Parker)
I want the design to look very similar to the form used in MS Access for the query wizard, which will allow me to choose a class and then specific students.
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Jan 18, 2010
i am creating a booking system for my A2 project but i cant create tables or field in the database and enter information in them. I have created a ms access database in vb but after that im stuck. The database must be created in vb programatically as i get more marks for complex code.
here's my code
Imports ADOX
Module Module1
Sub Main()
[Code].....
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Nov 17, 2009
What I am trying to do is get specific info from a database and what I am getting is the first entry.
I have made a database connection, made the top bar not visible and I have inserted a text box and multiple labels. My MDB database has 3 columns (street, city, postcode) and multiple rows.
What I want is when a user enters a postcode in the text field the other labels get the info related to it. I.E. when a user enters "FY1 3DL" the labels update to "King street" and "Blackpool". With the code below I get the first row from the database.
Code:
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Me.StreetsTableAdapter.Fill(Me.WcipcodeDataSet.Streets)
End Sub
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