Windows error 0x80131502, -2146233086

.NET - SelectedRow not returning any value

I am new with .net! I have two gridviews connected to a large database. The first one is returning a list of issues searched by ID while the other is returning the issues searched by subject. I am trying to get the ID from the gridview returning issues from a [...] read more

Scalar instead of vector type for bitmap input with ml.net and TensorFlow model

I started to get familiar with ml.Net, especially in context of image classification with a pretrained TensorFlow model. The existing example (https://github.com/dotnet/machinelearning-samples/tree/master/samples/csharp/getting-started/DeepLearning_ImageClassification_TensorFlow) for that task is working fine. I also managed to adapt it to use an image from memory instead of loading it in pipeline. The next step is [...] read more

Exception when setting OracleParameter to DbType.DateTimeOffset

I have the following code: Oracle.ManagedDataAccess.Client.OracleParameter p; // create p p.DbType = DbType.DateTimeOffset This is throwing: > System.ArgumentOutOfRangeException HResult=0x80131502 > Message=Specified argument was out of the range of valid values. > Source=Oracle.ManagedDataAccess StackTrace: at > Oracle.ManagedDataAccess.Client.OracleParameter.set_DbType(DbType value) at > WindwardReportsDrivers.net.windward.datasource.ado.AdoQueryHelper.setParameter(IDbCommand > cmd, Int32 varNum, Object item) in > C:\git\Jen_2\engine\DotNetEngine\WindwardReportsDrivers\net\windward\datasource\ado\AdoQueryHelper.cs:line > [...] read more

Error while connect to RFID reader: The maximum baud rate for the device is 8190

Hi I have a USB RFID Reader/Writer with name "Silicon labs CP210x", I develop a windows app with C# in Visual studio 2015 that could Read/Write on RFID Card, its worked fine... I change my Windows on my notebook (prev Windows and new Windows are Windows 10) and install Visual [...] read more

Visual Studio C# index errors

When I'm running this code: for(int i=0; i<list.Count; i++) { if (list[i].Text.Equals(pid)) { //.... } } I get an error 'index out of bounds', but when using the debugger I can see that: list.Count = 56 i=55 What's causing this error? it seems illogical. Edit: As requested, a more detailed [...] read more

Issues with COM DLL calling WCF Service

I have a WCF Service which has a contract like this: (the operation contract is OneWay) [ServiceContract()] public interface IEmpUpdate { [OperationContract(IsOneWay = true)] void SendEmpUpdate(int _empid); } I have to call this SendEmpUpdate method from a COM DLL. I searched in the web and found some examples but that [...] read more

MatchCollection Result Not Consistent

I'm getting inconsistent/error results for a Regex MatchCollection using C#; In my first example, the MatchCollection works. Here is the code that works. string temp1 = "<td nowrap CLASS=\"sportPicksBorderL2\" style=\"width: 150px;\">&nbsp;\n<B>deGrom, J</B>&nbsp;\n</td>"; Match inputa = Regex.Match(temp1, @"<B>(.*?)</B>", RegexOptions.IgnoreCase); MatchCollection inputb = Regex.Matches(temp1, @"<B>(.*?)</B>", RegexOptions.IgnoreCase); string result1 = inputb[0].Groups[1].Value.ToString(); // Value="deGrom, [...] read more

Does For Each reference objects itself or their values?

Here is my problem : i'm working with some ComboBox in my WPF app, and I want to fill them with ComboBoxItemPlus, which are basicly ComboBoxItem with a few more properties in order to link them with data more easily. My problem is that I want to fill these ComboBox [...] read more

How to use SODA.net and App Token in asp.net-core MVC

As per Socradata.com suggest, I have created both and an Application Token and an Application Key. When I query using a Soda.net Click using the App Token and username and password like this: var client = new SodaClient(sodaHost, sodaAppToken, user, pwd); var soql = new SoqlQuery().Select("draw_date", "winning_numbers", "mega_ball", "multiplier").Where("draw_date > [...] read more

Index ArgumentOutOfRangeException when DataGrid refreshes itself after an item is added

I'm using DataGrid to display a custom collection PersonCollection : List<Person>, INotifyCollectionChanged (just learning WPF with painful examples from a book). The program works if I add items to an initially empty collection, and also when I remove items from a collection created with several items. In those cases the [...] read more

How to create a new DataGridViewRow and specify values using column names, not indices?

I have a DataGridView. I try to add rows to it by cloning the add-new-row row. When I add a row, I set some of the values of its cells. I try to access the DataGridViewCell instances by the Name of their column. Before the UI is shown, I do [...] read more

DrawingsPart not being added to the WorksheetPart. Specified argument was out of the range of valid values

Using the Open Xml SDK, I added a DrawingsPart to a WorksheetPart and then later I tried referencing the DrawingsPart from within the WorksheetPart but I receive an ArgumentOutOfRangeException. Here is the relevant snippet of code: // Add a new drawings part to the worksheet var drawingsPart = worksheetPart.AddNewPart<DrawingsPart>(); // [...] read more