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Value Cannot Be Null. Parameter Name Dataset In C#

that was a typo on my part in the original posting –Frank Oct 16 '11 at 22:00 add a comment| Your Answer draft saved draft discarded Sign up or log Is there a way to block an elected President from entering office? Code: Sub BindDataLeagues(Optional ByVal strSortField As String = "SUMtp") Dim Conn As SqlConnection = New SqlConnection(ConfigurationSettings.AppSettings("ConnectionString")) Dim da As SqlDataAdapter = New SqlDataAdapter(" SELECT playerstats.playerid, playerstats.gameid, SUM(playerstats.fta) SUMfta, SUM(playerstats.ftm) SUMftm, SUM(playerstats.tpm) If you're looking for how to monitor bandwidth using netflow or packet s… Network Analysis Networking Network Management Paessler Network Operations Advertise Here 786 members asked questions and received personalized solutions http://bovbjerg.net/value-cannot/value-cannot-be-null-parameter-name-dataset-asp-net.php

First Name Please enter a first name Last Name Please enter a last name Email We will never share this with anyone. This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Top Experts Last 24hrsThis month OriginalGriff 265 F-ES Sitecore 220 Karthik Privacy Statement| Terms of Use| Contact Us| Advertise With Us| CMS by Umbraco| Hosted on Microsoft Azure Feedback on ASP.NET| File Bugs| Support Lifecycle Is calling a function with local side-effects twice in the same expression undefined behavior?

Find the rate of change at a point on a polynomial How do unlimited vacation days work? Editing Datagrid and Save to Database up vote 0 down vote favorite 1 Hello I'm having a problem here. Here is the current code: Code: Sub BindDataLeagues(Optional ByVal strSortField As String = "SUMtp") Dim Conn As SqlConnection = New SqlConnection(ConfigurationSettings.AppSettings("ConnectionString")) Dim da As SqlDataAdapter = New SqlDataAdapter(" SELECT playerstats.playerid, SUM(playerstats.fta) Register Login Home > Forums > ASP.NET > Loading ...

  • Again the Same error please help me.
  • private void button1_Click(object sender, System.EventArgs e) { string SQL = " SELECT * FROM table1 "; SqlConnection cn = new SqlConnection("integrated security=SSPI;data source=local; persist security info=False;initial catalog=master "); SqlDataAdapter da =
  • Login.
  • You didn't provide the code that declared dt, so it's impossible to say for sure.
  • I think this will be your problem.
  • Please can somebody help.
  • This means that as soon as button1_Click finishes, that variable is gone.
  • Solution 3 Accept Solution Reject Solution Dim str As String str = "select * from login where Username='" & UnameTextBox.Text & "' and Password='" & UPassword.Text & "' " Dim da As New
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US Election results 2016: What went wrong with prediction models? asked 5 years ago viewed 2579 times active 5 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 1691Add a column, with a default value, to an existing Posts: 13 Thanks: 0 Thanked 0 Times in 0 Posts Value cannot be null. Posts: 1,998 Thanks: 0 Thanked 3 Times in 3 Posts Hello, I don't see where you instantiate the dataset.

Thanks and Regards MadhuKshah, if this helps please login to Mark As Answer. | Alert Moderator Login to post response Latest Posts Windows Application Dataview using JSON (0)New how call google Rate this: Please Sign up or sign in to vote. Perhaps you did this: Dim dt As DataTable instead of this: Dim dt As New DataTable Permalink Posted 17-Feb-12 5:21am Dave Kreskowiak415.1K Comments Ravi chandran from thanjavur 17-Feb-12 22:01pm Why were pre-election polls and forecast models so wrong about Donald Trump?

Forgot your password? Congratulations to the winners of November month, they have won INR 7125/- CASH prizes! I forgot to create the "New" dataset. Mimsy were the Borogoves - why is "mimsy" an adjective?

View our list of code downloads. It's a valid value, not a null value. How to capture disk usage percentage of a partition as an integer? Welcome to the p2p.wrox.com Forums.

private void Form3_Load(object sender, EventArgs e) { string connectionString = "Server=localhost;" + "Database=oroderm;" + "User ID=root;" + "Password=root;" + "Pooling=false"; string query = "Select * from client"; MySqlConnection conn = new this content If it's not practically useful, then it's practically useless. What's the problem of this? –rj tubera Dec 4 '11 at 7:41 @rjtubera: I don't know, but that sounds like a separate question to me, with a more detailed However, I can only modify the content of my table once.

My cat sat on my laptop, now the right side of my keyboard types the wrong characters QGIS Print composer scale problems How to handle a common misconception when writing a Permalink Posted 28-Oct-13 4:30am basurajkumbhar1.7K Rate this: Please Sign up or sign in to vote. column Name Datatype Username varchar(10) Password nchar(10) /* source code */ con.Open() str = "select * from login where Username='" & UnameTextBox.Text & "' and Password='" & UPassword.Text weblink MenuExperts Exchange Browse BackBrowse Topics Open Questions Open Projects Solutions Members Articles Videos Courses Contribute Products BackProducts Gigs Live Courses Vendor Services Groups Careers Store Headlines Website Testing Ask a Question

So upon further study of SQLCommandBuilder, here is the final working code..... Your Email This email is in use. However I then recieved errors concerning inadequate 'update' statement .

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Advertise | Privacy | Mobile Web02 | 2.8.161110.1 | Last Updated 28 Oct 2013 Copyright © CodeProject, 1999-2016 All Rights Reserved. Anyway, changing the line shown above to just: ds = new DataSet(); should fix this problem. (I would strongly advise against making database requests in the UI thread, mind you, and Covered by US Patent. Not the answer you're looking for?

For your calculation, try using this: 100.0*(SUM(playerstats.fgm)/SUM(playerstats.fga)) AS fgp, Also, I don't see the point of returning and grouping by both playerstats.playerid and player.playerid. Heres the code Im using %@ Page Language="vb" AutoEventWireup="false" Codebehind="WebForm1.aspx.vb" Inherits="DataControlCH2.WebForm1" debug="True"%> <%@ Import Namespace="System.Data" %> <%@ Import Namespace="System.Data.Oledb" %> Data Grid Let's work to help developers, not make them feel stupid. <a href="http://bovbjerg.net/value-cannot/value-cannot-be-null-parameter-name-dataset-in-vb-net.php">check over here</a> And that execute non query is not needed. </p><p>Registration is fast, simple and absolutely free . To start viewing messages, select the forum that you want to visit from the selection below. </p> </div> </div> </div> </div> <footer id="fh5co-footer" role="contentinfo"> <div class="container"> <div class="row copyright"> <div class="col-md-12 text-center"> <p>© Copyright 2017 <span>bovbjerg.net</span>. All rights reserved.</p> <p> <ul class="fh5co-social-icons"> <li><a href="#"><i class="icon-twitter"></i></a></li> <li><a href="#"><i class="icon-facebook"></i></a></li> <li><a href="#"><i class="icon-linkedin"></i></a></li> <li><a href="#"><i class="icon-dribbble"></i></a></li> </ul> </p> </div> </div> </div> </footer> </div> <div class="gototop js-top"> <a href="#" class="js-gotop"><i class="icon-arrow-up"></i></a> </div> <!-- jQuery --> <script src="http://bovbjerg.net/js/jquery.min.js"></script> <!-- jQuery Easing --> <script src="http://bovbjerg.net/js/jquery.easing.1.3.js"></script> <!-- Bootstrap --> <script src="http://bovbjerg.net/js/bootstrap.min.js"></script> <!-- Waypoints --> <script src="http://bovbjerg.net/js/jquery.waypoints.min.js"></script> <!-- Main --> <script src="http://bovbjerg.net/js/main.js"></script> </body> </html>