Adding A Column And Values To It On The Basis Of Some Existing Colum Values?
Jan 4, 2011
i have retrived this datatable from datasource and i want to add a more colum 'category'basedon the each value of each Role, like if role column has the value '90 daya client' then in the same row it should have a value 'DC' in the category column.n make a temporatry dt1 table but to add related values.
S.No First Name Last Name Role Date
1 Us er1Name User1Name 90 Day Client 11/01/2011
2 User1NameAtt1 User1NameAtt1 90 Day Client 11/01/2011
[code].....
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Apr 4, 2010
I have an array of 10 x 10 as shown below. In addition to -1, it consists of numbers from 1 to 9.[code]...
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Jan 24, 2011
I am trying to add values from Arraylist to particular column of grid view.
As:
If (Arr_NewContacts.Count > 0) Then
dgvStayout.Rows.Clear() ' **GETTING ERROR HERE**
dgvStayout.Rows.Insert(0, (Arr_NewContacts.Count - 1))
For i As Integer = 0 To Arr_NewContacts.Count - 1
dgvStayout.Rows(i).Cells("Name").Value = Arr_NewContacts(i).ToString
[Code] ......
Datagrid property like AllowUserToAddRows and AllowUserToDeleteRows is already set to true.I am using above code on lost focus event of one of text box.
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Dec 30, 2010
If i have two textboxes textbox1 & textbox2 and button1 in my ASP.NET and SQL Server database
Database records are:
ID Date Seats
1 15-Dec-2010 1,2
[code].....
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Jun 22, 2011
i have a datagridview and in one of the columns i m storing the amount on button click...i want to add the values of the amount at that time only i have done this but it is displaying 0 in the required textbox total += Form1.DataGridView1.Rows(counter - 1).Cells(6).Value
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Mar 13, 2010
When I implement this code, the first time the button is activated, the values are placed in the array, and displyed in the list box. However if the user then selects more days and times to add to the list box, and activates the button again, the previously added entries in the array are erased, and only the new entries are displayed. How can I prevent previous entries from being erased? If the user wants to add values, they need to be added to the existing values.[code]
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Jun 3, 2011
am trying to calculate the values in rows in column 6 based on values of column 5. Bellow is the the code I am using I get a run time error about the string not formatted properly
[Code]...
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May 28, 2010
I want to add all the values of a certain column. I already get the value of an exact cell value but when i add the loop code for it to continue,it doesn't performs well.
[code...]
I,m using vb6 po with datagrid component.
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Jul 28, 2011
I have a datagridview that is populated from an Oracle 11g DB. What I would like to do is add the values of a column together and display the results in a textbox. What would be the easiest way to do this?
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Jan 17, 2011
I wanted to add new column to the existing table in my database table Please help.in the form it has a textbox in which you can enter any name that you want you column to bear. all this will be at runtime.i try but it keep saying (format of the intitialization string does not conform to specification starting at index 0) [code]
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Apr 9, 2011
I already have an Excel worksheet. How do I write some values to that worksheet from my VB application?
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Sep 11, 2009
Please can you translate the above line of C# into VB.NET?At runtime, I'm trying to update an existing GridView column, as opposed to adding new columns, just before a DataBind()
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Jun 7, 2011
I am trying to create a simple Word doc that when the user presses the button it takes the information in the boxes and tosses it into a template style paragraph. But my issue is that I have two combo list boxes as seen in the picture. I want to have two values in the drop down list as seen in the labels next to them but for the life of me I can't figure out how to do this in Word 2007. In Visual Studio this is much easier but I am work and need to snap this out for the folks at work. Is there an option that I can choose in the properties where I type in the values for each drop down or do I have to add them in at run time?
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Feb 12, 2009
I have a program that generates a daily hex code. What I am trying to do is get the number of days since the start of the year which I can do using the following
Code:
Dim dtStartDate As Date = "1/1/2010"
Dim tsTimeSpan As TimeSpan
Dim iNumberOfDays As Integer
tsTimeSpan = Now.Subtract(dtStartDate)
iNumberOfDays = tsTimeSpan.Days
Then starting from zero (January 1st) increment the code by the hex value "FF6086A" up to the current number of days. So if done correctly the code for March 17th should be BD0A7F78.
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Mar 17, 2010
I was wondering if anyone could give me an idea of how I could accomplish this because I seem to be having a problem with arithmetic overflows:I have a program that generates a daily hex code. What I am trying to do is get the number of days since the start of the year which I can do using the following
Dim dtStartDate As Date = "1/1/2010"
Dim tsTimeSpan As TimeSpan
Dim iNumberOfDays As Integer
tsTimeSpan = Now.Subtract(dtStartDate)
iNumberOfDays = tsTimeSpan.Days
Then starting from zero (January 1st) increment the code by the hex value "FF6086A" up to the current number of days. So if done correctly the code for March 17th should be BD0A7F78.
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Jul 28, 2011
i am writing a golf score program and i have 18 text boxes. i also have a text box that will calculate the total of all of the 18 other text boxes. what would be the best way to add these text boxes? i have already written code to only except numbers 1 thru 8 for each text box.i started with some code like this:
TextBoxTotal.Text = CInt(TextBoxHole1.Text) + CInt(TextBoxHole2.Text) + CInt(TextBoxHole3.Text)
but if there is no value in one of the text boxes i get an error:Conversion from string "" to type 'Integer' is not valid.so i am guessing i need to check for empty strings and then ignore them
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Apr 26, 2012
I'm making an application in school where I have to display the values of domestic, international, and total sales of company "Conway Enterprises." Everything seems to be working except it is not displaying the totalCompany sales as a currency. I'm sure it's probably an easy fix but I've been searching the internet and re-reading my book for awhile with no results. Below is the code, as I said everything seems to be working fine aside from adding the two array values and then displaying them as currency.
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
End Sub
[code]....
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Apr 3, 2011
I have two comboboxes in my form (cbAdresse & cbVerwaltung). Choosing the value in the first combo, i get the value from the table into the textbox txtAdID. Now i try to use the value in the txtAdID as the parameter for the SQL command selecting the values from the table (tblVerwaltung). These values must be added to the second combo (cbVerwaltung). So i use the following code for the SQL Compact Client:[code]Using this code i get the following value in my combo cbVerwaltung: "System.Data.DataViewManagerListItemTypeDescriptor".[code]
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Feb 24, 2012
I am trying to run an event which will search through the different files in a given directory. The goal is to have it search for all files that begin with 'SP_', which are .sql files containing Stored Procedures. I would then like to add the full text of these Procedures to an array to be used later. This is causing an error when run, which I believe is because 'FullProcedureArray()', the string array I am trying to load does not have defined boundaries. When I declare it as 'FullProcedureArray(7)', or with some other value, it appears to run fine. But I don't want to have to hard-code a boundary for 'FullProcedureArray'; I would rather let it be defined by whatever the number of files in the folder is.
My question: Is there a way to declare 'FullProcedureArray' without having to give it an absolute value? I may just be missing something painfully obvious, but I haven't worked with this type of array much in the past.
Dim AppDataLocation As String = "C:FilesTestFiles"
Dim ProcedureArray As String()
Dim ProcedureText As String
[Code].....
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May 16, 2009
I wanna add values from my database to a datagrid, my bigger problem is adding a whole column of values, because I know how to add 1 by 1. So, how can I add a whole column of values from my database?
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Sep 23, 2009
I have DataGridView Named EditRecordDates with column called RecDateApp. Its the 3RD Column in DataGridView--I want to take Value from Textbox called AppDateTextBox and Populate all Rowa in Column with Value
[Code]...
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Jun 4, 2009
I would like to add values to my existing db ie to say:
currently in my db table (trade) has column (buy). It has alr a value of 10 to it. Now when the user inputs a value "20" into the textbox in vb.net, how do i write the syntax such that the user input value "20" will add to the db's "10" which means now the db column (buy) has a value of "30"? Been thinking quite long but no ideas so far.
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Apr 14, 2012
I am having some troubles with a project of mine. Its a basic financial manager for windows mobile 5 using VB.net. Everything works fine, however, when a value is saved in xml, it will be overwritten when another is saved. I want it to add these values instead of overwriting them entirely.[code]
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Apr 13, 2012
I am having some troubles with a project of mine. Its a basic financial manager for windows mobile 5 using VB.net. Everything works fine, however, when a value is saved in xml, it will be overwritten when another is saved. I want it to add these values instead of overwriting them entirely.
Private Sub MenuItem3_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem3.Click
Dim writer As New XmlTextWriter("product.xml", Nothing)
[code].....
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Oct 10, 2009
..i am working in my project i am having problem in the list box part.. .
[Code]....
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Nov 30, 2011
I have a datagridview, I am importing csv into it, I want to add a new column "Test Column" and populate that column with row numbers [code]...
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Jun 10, 2011
I am able to connect to my MySql Database.How can I list all of the values from a column.I would like to list all of my "Username" column's value.[CODE]....
What is the sql query for it? So far I only know SELECT and INSERT. And then listing all of the values to the Items in my ComboBox.
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May 7, 2009
Im trying to add values stored in an array to a database. Here's a little piece of the code.
[Code]...
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Oct 5, 2010
I am trying to write a small program so I can log times of the jobs I do throughout the day. I have figured out getting the time values and getting the time differences between travel start and travel finish. The problem is i need to add together two sets of travel times to get a total travel figure for the day. I am struggling with the adding of two time values in textboxes.
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May 1, 2012
I'm using ms access 03 to fill a datagridview no problem. I have 4 fields(id, first, last, points), but I just want to fill one in a combobox I have. Here is what I'm using to fill the datagridview:
Dim con As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and SettingsPC #6My Documentsstudent.mdb")
Dim sql As String = "Select first,last,points from student"
Dim oledbAdapter As OleDbDataAdapter
Dim ds As New DataSet
[Code] .....
How could I get a combobox to just display just one field, like idk if I'm explaining myself correctly, like a SQL statement look like this:
Dim sql As String = "Select first from student" but just for my combobox.
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