Still celebrating National IT Professionals Day with 3 months of free Premium Membership. Use Code ITDAY17

x
?
Solved

Display sum of databound datagridview column in textbox

Posted on 2013-12-26
5
Medium Priority
?
2,867 Views
Last Modified: 2013-12-27
Software: Visual studio VB.net & sql server 2005.

I need sample code to display the sum of a databound datagridview column in a textbox.

Thanks!
0
Comment
Question by:dave_sky
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
  • 2
5 Comments
 
LVL 13

Expert Comment

by:Jesus Rodriguez
ID: 39740671
Dim ColSum as double=0
For Each Rw as DataGridViewRow in DataGridview1.Rows
 ColSum+=Cdbl(iif(Rw(0) is dbnull.value,0,Rw(0)))  'Gets the values for each cell with the column index 0 and sum each one
Next
TextBox1.Text=ColSum.ToString

Open in new window

0
 

Author Comment

by:dave_sky
ID: 39740925
I tried this:

Dim RunningTotals As Double = 4
        For Each Rw As DataGridViewRow In TblBreakEvenDataGridView.Rows
            RunningTotals += CDbl(IIf(Rw(0) Is DBNull.Value, 0, Rw(0)))  'Gets the values for each cell with the column index 0 and sum each one
        Next
        TextboxTotals.Text = RunningTotals.ToString

Open in new window

And got this error: Error      3      Class 'System.Windows.Forms.DataGridViewRow' cannot be indexed because it has no default property.

Any ideas??

Should the Column RunningTotals be unbound?
0
 
LVL 13

Expert Comment

by:Jesus Rodriguez
ID: 39741234
Can you post the grid view bounding structure for the colums that you want to sum. If you want to sum 2 colums and show the result in a 3 one then get the sum result in the query and later bound it if not add a  3 Colin and in the event of day abound do the sum and add it to the 3rd colum. Send me the grid and the bound query that populate it and I will check it
0
 
LVL 13

Accepted Solution

by:
Jesus Rodriguez earned 2000 total points
ID: 39741238
I made a small mistake on the code, Check it here

Dim RunningTotals As Double = 4
        For Each Rw As DataGridViewRow In TblBreakEvenDataGridView.Rows
            RunningTotals += CDbl(IIf(Rw.cells(0).value Is DBNull.Value, 0, Rw.cells(0).value))  
          'Gets the values for each cell with the column index 0 and sum each one
        Next
        TextboxTotals.Text = RunningTotals.ToString 

Open in new window

0
 

Author Closing Comment

by:dave_sky
ID: 39742428
Thank you!
0

Featured Post

What does it mean to be "Always On"?

Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This tutorial demonstrates one way to create an application that runs without any Forms but still has a GUI presence via an Icon in the System Tray. The magic lies in Inheriting from the ApplicationContext Class and passing that to Application.Ru…
I think the Typed DataTable and Typed DataSet are very good options when working with data, but I don't like auto-generated code. First, I create an Abstract Class for my DataTables Common Code.  This class Inherits from DataTable. Also, it can …
Have you created a query with information for a calendar? ... and then, abra-cadabra, the calendar is done?! I am going to show you how to make that happen. Visualize your data!  ... really see it To use the code to create a calendar from a q…
In response to a need for security and privacy, and to continue fostering an environment members can turn to for support, solutions, and education, Experts Exchange has created anonymous question capabilities. This new feature is available to our Pr…
Suggested Courses

722 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question