Solved

Vb.Net - Adding Data to DataTable

Posted on 2013-01-08
4
253 Views
Last Modified: 2013-01-08
Good Day Experts!

I have a requirement for my project that I have not experienced before.  My experience with DataGridViews in the past have been executing a command, filling dataTable and then assigning as the DataGridView dataSource.  

Now,  I need to execute many queries and either keep filling the dataTable that populates the DataGridView or keep sending the output of each query to the DataGridView via a dataTable.

Is either of these scenarios possible? If so, do you have any recommended reading?

Thanks,
jimbo99999
0
Comment
Question by:Jimbo99999
[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
  • 2
  • 2
4 Comments
 
LVL 83

Expert Comment

by:CodeCruiser
ID: 38756195
>Now,  I need to execute many queries and either keep filling the dataTable that populates the DataGridView

Can you elaborate? You can fill a datatable as many times as you want and grid will refresh automatically whenever datatable is changed.
0
 

Author Comment

by:Jimbo99999
ID: 38756215
MyCmd.CommandText = "Query to execute"                          
DADups.SelectCommand = MyCmd
DADups.SelectCommand.Connection = SQLConnect
DADups.SelectCommand.ExecuteNonQuery()
DADups.Fill(DTDups)

I want to do this multiple times and keep adding to the DTDups DataTable.  Then when done ading to the DataTable set it as the DataSource to the DataGridView.
Would the line "DADups.Fill(DTDups)" overwrite the previous data or just add to what was there from the previous execution?

Thanks,
jimbo99999
0
 
LVL 83

Accepted Solution

by:
CodeCruiser earned 250 total points
ID: 38756277
>Would the line "DADups.Fill(DTDups)" overwrite the previous data or just add to what was there from the previous execution?

No.

>DADups.SelectCommand.ExecuteNonQuery()
>DADups.Fill(DTDups)

You do not need the ExecuteNonQuery call.
0
 

Author Closing Comment

by:Jimbo99999
ID: 38756339
Excellent, works as designed.

Thanks for the insight,
jimbo99999
0

Featured Post

Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

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

Introduction As chip makers focus on adding processor cores over increasing clock speed, developers need to utilize the features of modern CPUs.  One of the ways we can do this is by implementing parallel algorithms in our software.   One recent…
Calculating holidays and working days is a function that is often needed yet it is not one found within the Framework. This article presents one approach to building a working-day calculator for use in .NET.
In this video we outline the Physical Segments view of NetCrunch network monitor. By following this brief how-to video, you will be able to learn how NetCrunch visualizes your network, how granular is the information collected, as well as where to f…
Monitoring a network: why having a policy is the best policy? Michael Kulchisky, MCSE, MCSA, MCP, VTSP, VSP, CCSP outlines the enormous benefits of having a policy-based approach when monitoring medium and large networks. Software utilized in this v…

729 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