VS 2010 Add Values Of Raw Data In Column 2 And 3 And Input Answer In Column5 In Datagridview?
Jun 28, 2011
I'm using visual basic 2010 and i am able to import the raw data from excel and into my datagirdview but i am unable to get the code to add the values of raw data in column 2 and 3 and show the answer in column 5. Do i need to loop it?
The entire project is in the attachment take a look at it.
This is the entire code i have now:
Imports System.Data.SqlClient
Imports System.IO
Imports System
[Code]....
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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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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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Jul 29, 2009
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Some codes here on how could I validate my datagridview? I mean, a certain column on my datagridview should accept integers only, otherwise, it will return a messagebox. Kindly include on which event it should be posted.
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Apr 26, 2009
With my datagridview I have column for datetime. I used the following for format.
Mydatagrid1.Columns(3).DefaultCellStyle.Format = "dd/MM/yyyy"
But the problem is it's getting input like MM/dd/yyyy and after pressing enter it's changing to dd/mm/yyyy style. So is it possible to read input like "dd/MM/yyyy".
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Jun 2, 2011
i want to dynamically add the values in the column of a datagridview the row of which is also being created dynamically...
Form1.TextBox10.Text = total
con.Open()
cmd = New SqlClient.SqlCommand("select product,Quantity,MRP,Sale_Rate,Disc_Amt,Amt from sale_table ", con)
[Code].....
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May 22, 2009
i am trying to make a simple Vb program for children to do simple maths, now im not sure im going about it the right way, i have stored all the questions in a database and have called them up to the form and that is working fine, i cant seem to get the right code to check the answer from the user against my stored answer, i am using txtBox to store my answer and a txtbox for the input
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Mar 15, 2012
i have a datagridview on my form with customers info which is linked to my database. i want to execute a line of code based on the information in one of the columns in the datagridview??? for example i have a datetime column which stores dates(and maybe time) i want to use an if statement(or any code) to compare the date the customer entered. if its today then my code will execute!!
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Mar 9, 2011
Like "SELECT DISTINCT(Col)" in sql query, how do we perform this in datagridview?[code]...
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Apr 16, 2010
im trying to add the values in column for of my datagridview and display it in a textbox, but the calculation does not kick in unless two rows are displayed. if one row is displayed in the datagridview, then my textbox remains blank.[code]......
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Jan 21, 2011
I need to display a column called Full Name in the my datagridview, but the datasource (datatable) does not have a FullName column. It only has FirstName and LastName columns. I'm setting up my DataGridView like this:
[Code]...
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May 8, 2009
I have a datagridview in a form in windows application in which I have a column which accepts date values. In this column I want user to enter numeric values alone and when the user moves to next cell the value should get formatted to date type value(ex: 05/09/09). Similarly I have another column which must accept alphabets alone.
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Aug 27, 2009
Rather using a DatagridView Column ComboBox i need in this phase of my project, to use a listbox outside the datagridview ,o pass values from listbox to the datagridview. I do not want these Values to be default in that, column of DGV but when adding new rows i want to pass different values,always form listbox to the DGV..
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Jan 10, 2011
I have a DataGridView bound to a binding source. I have also, however, added an unbound column in which I plan on putting numbers calculated from the bound columns. The problem is, Any time I edit my unbound column (on any row), the value doesn't stay. If I programmatically edit the values, they never show up. If I type in the cell, then upon hitting enter or clicking outside of the cell, whatever I typed disappears.
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Jul 19, 2009
How i clear all data and not delete data or column in datagridview?
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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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Aug 16, 2011
I have a MainForm which contain SecondaryForm as a control of the MainForm.SecondaryForm contains DataGridView which loads data from sql server and I add a collumn named SUM that SUMs all the values of the same row. This is provided within the LOAD event of the SecondaryForm.When SecondaryForm.Load events finishes, the program goes back to MainForm right after the line "SecondaryForm.Show" and here the values of the column SUM disappear.When i write those values runtime, they never disappear.
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May 26, 2011
At runtime, I have a collection of rows (Row class). Each of them consist of column values, represented by instances of a ColumnValue class. The name of the columns are determined at runtime, and are in a separate columns descriptor collection (Column class).I want to create a DataGridView that displays all Row instances. Of course, the DataGridView's columns shall be exactly those specified by the Column instances in the containing collection.But since DataGridView's columns can fetch their values from a list item's public properties only, and I cannot easily define such a property at runtime, I cannot use DataGridView to display the tabular data.
' Classes for table structure representation
Public Class TColumn ' describes my columns
Public Name As String
[code].....
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Aug 29, 2011
i am doing a small project for my business and i got stuck with this 2 weeks ago and still no progress.
I have an access db table "store" that has columns: (filldate,brand,model,plateno,mileage,litres) where i am storing these info each time a car in my company fills gas. For example (8/25/2011,Renault,Megane,5487844,3943,20).
What i want to do now is to display in a datagrid the total consumption of gas (litres) with the kilometers driven (mileage) between 2 dates.
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Jan 27, 2010
How to set values to a predefined combobox column in datagridview i.e., I want to set some values to this column other than binding
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Jun 18, 2009
I m filling values in DataGridView using following code [code]Can anybody help me to insert and retreive values from database in datagridview combobox column.
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Apr 9, 2011
I want to move the cursor from column 1 to column 4 but what happened instead the cursor moves to column 5, this happens when I use the enter key event. but run well if I double click. The following description of the program: there are 7 columns of code, item description, unit, price, qty, discount, item amount code when key enter press :
[Code]...
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Apr 17, 2009
I am trying to find the proper way to code a datagridview so that I transfer the cell contents to a two dimensional array.
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Mar 4, 2010
I have a DataGridView in which I register customer orders.
The DGV has a column "PRICE", Price must be > than 100, and I control that in this way:
Private Sub DataGridView1_CellValidating(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellValidatingEventArgs) Handles DataGridView1.CellValidating
Dim newInteger As Integer
[Code].....
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Apr 16, 2010
Here is my problem: I have a DataGridView and I am adding a new row. In a particular cell, I have to check that the user does not enter existing values in the related table. That is, the value of that cell must be unique. If the user enters an existing value, the application must:
- Show error message
- Clean the cell
- Put the focus again into the cell, to allow the user to enter another value.
Would you know someone do this?
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Apr 18, 2012
Im having trouble getting the sum of a "Status Column" It is unbound. It has 2 Items "Active and Inactive" I would like to have lblInact.Text to show the total of Inactives of that column.
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Mar 31, 2011
I have a datagridview that is binded to an database file. I also have a group of textboxes that are also binded to the same database. I wanted the user to add new inputs from the textbox to the datagridview. I tried using the code
Me.tableBindingSource.Addnew But instead of adding the new inputs into another row and column. It edits the input that is on the datagridview that is currently on focus before I can add new inputs.
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Sep 2, 2011
To pass decimal values to radio buttons so I can calculate an output answer. it is a tip calculator. I am using radio buttons as options to choose what amount to tip, ie. 10, 15, and 20%. I need to figure out how to pass the value to the buttons in code so I can calculate the tip amount.
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Mar 27, 2011
I want Too Know how Can i Fill THat values in the sql Column my Sql Data type is Integer Can i fill any SIGN Valuse like (122,123)(123+123)(321-123)(485;456)(301>908) in these Values Can i use any one in sql column and the column data type is Integer.
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