Function To Add And Subtract Values On A Specific Column?
Jun 1, 2011
i have a problem regarding datagrid.remove and textbox. This is a Function to Add and Subtract Values on a specific Column. If I cellclick on the main datagrid on a specfic row which has record where the record goes to the other datagrid with no record yet to be filled with record, the textbox will count/ add all the values from the UNITS COLUMN and in an instance on one row removed in the other datagrid, the total value of units in the textbox does not subtract or less. here's the code.
Public Function total_units_remove() As Double
Dim totalunits As Double = 0
Dim i As Integer = 0
[Code].....
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Dec 13, 2010
I have a 3 column listview. Column 1 and 2 has few integer. How can I subtract Column 1 and column and show the result in column 3. Below is a sample data for columns.
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Apr 9, 2012
I have a datatable contain fId field. I want to update all values for this field to "1" without using loop. [Code]
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Dec 17, 2010
I have column in database
[Code]...
I want when any user search For: Delhi to Manali on between 17-Dec-2010 to 19-Dec-2010 then the price would be automatically changes to $900 in gridview else the default price wold be displayed in fare is $600 if he search for DelHi to Manali after 19-Dec-2010.
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Feb 21, 2012
How can I iterate through a listview that has checkedboxes and get the value of the first column? The listview has 3 columns, "ID" "Survey" "County". I want to get the value of the "ID" column for the items that are checked. I've been using the following code, but can't figure out how to proceed. am I on the right track?
[Code]...
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Apr 5, 2010
I have two datetimepicker controls one as a start date the other as end date, How do I go about subtracting the values to ge the number of hours? I tried...
[Code]...
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Jun 12, 2011
i would like to ask how do I subtract a value from my column Quantity(data type is integer = 18) in my inventory table if a customer will want to have 2 orders and of course 18 - 2 will be 16. how will i do this?
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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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Mar 23, 2011
I have a program and I get time data from a sqldb and display it in a column in a listbox. What are the proper steps for adding the time as I iterate through the data in the column? I figure I will need to do some conversions on the time to be able to add it and display it as a total.
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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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Dec 13, 2011
I need to execute a stored function in oracle or sql through vb.net. I created a command object. Depending on the database type(oracle or SQL) i am preparing the Command text as Select functionName(?,?,?,?,?,?,?,?) from dual; (For Oracle) Adding the parameter values of the function. Now performing the ExecuteScalar which is not working saying invalid parameter. This works with ODBC connection string. But ODBC doesn't with 64bit. My Requirement: Code should execute a user defined stored procedure by taking the values at runtime.
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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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Dec 8, 2009
Is there a way to alter a specific row to a column?
Like i want to alter a row but not the whole thing only one column?
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Nov 15, 2011
deducting from customers purchases. The fields look like this:
tblStocks:
Name Type Qty
Pencil 2 15
[code].....
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Oct 18, 2011
I have following query,
[Code]....
how to do it in linq queries ??? also is it possible to combine firstName and lastname in select query in Linq ? just like we do in SQL Queries like : select me_first_name + ' ' + me_last_name as 'Full Name' from me_employee how can i achieve this task in linq?
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Oct 11, 2011
here's the scenario. There's 2 types of employees; Worker and Manager. The worker will have to access the page 'worker.aspx' and the Manager will have to access the page 'manager.aspx'. In my login database (Access 2007) I have the first name, last name, username, password and job title of both workers and managers. Ex:
[Code]...
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Mar 15, 2012
I'm working with a database application and i want to check if there is a null value in a specific column but it works only when its not null but if its null it throws an exception automatically. I tried to change the null value property of this column but I'm not able it shows a message that its not a valid property. I tried to change the source code in the code editor but it changes back automatically. Is there a way that I can work around this?
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May 2, 2011
Iv've always done a loop like below to go through each row of my DataGridView..For Each row As DataGridViewRow In DataGridView1.Rows....Is there a way to specif a specific row and column that i want to get data from? I tried this below but didnt work
MessageBox.Show(dataGridView1.Rows[1].Cells[0].value)
and
MessageBox.Show(dataGridView1[0, 1].Value)
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Aug 4, 2008
I have a DataGridView binded to a DataSet that I created using the Visual Studio Data Source Configuration Wizard. Everything works good except for one problem.I have two columns, Modified_By and Date_Modified that should be inserted or updated as the user and the current date, respectively. So every row in the DataGridView should have the same value for these two columns.So far, I have thought of two ways to get this working, but neither one seems very clean. The first idea is to make a custom Fill method that takes as parameters the user and the current date and then add them as extra columns in the select method. For example
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Jan 15, 2012
let's say the datagridview have 3 column
|--------------------------------
| id | name | age |
-----------------------------------
| 1 | john | 20 |
------------------------------------
i want to get "id" only from every row i tried this code,but it wont work
For cn As Integer = 0 To DataGridView1.RowCount - 1
DataGridView1.Rows(cn).Cells(0).Value)
Next
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Jun 22, 2011
I have a Xtragrid where when I double click the row I need to be able to pass the value of one of the columns to a stored procedure. There's got to be an easy way to do this but I haven't been able to find it.
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Aug 19, 2010
How can I add all the items of a specific column of a listview. For example I had a listview of a class like:
name............... surname............... age
------------------------------------------------
asdsa..............asdasdasd................21
sadsad..............asdasdasd...............23
sadsad...............adasdasd...............24
I just want to add all the numbers of age column so I can find the total sum of ages of the students. I want, when I clicked my button It makes my textbox's text = 68 for this example.
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Jan 16, 2012
lets say i have a datagridview with 4 column "a,b,c,d"now i only want insert entire column "b and c" into sql database, is this possible to do it?
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Jun 9, 2011
can i ask how do i insert my records from my textbox to specific column name of my table
IsConnected("Insert into products values(" & _
Me.TextBox1.Text & ",'" & _
Me.TextBox3.Text & "','" & _
[code].....
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Jun 26, 2009
I have the following piece of VBA code that I need to convert to VB.NET for use with a ListView control (the original VBA control was a ListBox):
For i = 0 To lstProperties.ListCount - 1
If lstProperties.Column(18, i) = "" Or IsNull(lstProperties.Column(18, i)) Then
GoTo OpenFrm
[Code].....
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Feb 3, 2010
Let's say I want to search only in the 3rd or 8th column of the listview. How do I do that?
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Aug 12, 2011
looking like this:
ID | Value
1 | 6
2 | 5
[code].....
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Sep 19, 2009
Which syntax is to be used in order to retrieve that IconCriteria(2) applies to cell C5.[code..]
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Jun 1, 2012
i have a form which is having 1 list view and a text box. list view having total 100 rows data list view is having a 5 column column 3 is having two words "yes" and "no" i just want to count the number of occurrence of the word "yes" in column 3 the total row can be count with this code: COUNT TOTAL ADMISSION Dim rowcount As Integer = 0
[Code].....
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Dec 23, 2010
I wanted to visualize to the user the diffrence if they opted for certain values. In mycase certain choises would show phonenumbers on intranet.To show how I wil leave the control names default. To recreate the the project. Start a windows form application, place a datagridview, and 2 bindingsources on the form To start we need some data to show and a list to choose from.To make a simple example I chosen to make a person class containing an Id, Name and Position.Id If the Position is a staff position it should be blue others should remain the default style.But lets start with the colorScheme Interface so we can store the colorscheme we want to show for a certain positionitem in the datagrdview It wil need back and forecolors but also colors for teh item whilst selected. To show the Displaymember we want to see I've also added the toString property that should shadow the toString of the object.[code]
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