Posts by Luciano Trez • 96 points

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  A: Problem with connection between EF and Postgresql

  It seems some version incompatibility of assemblies. Try to update all references via nuget. I use a little different settings in webconfig, if help follows: <entityFramework>…

  c# asp.net-mvc postgresql web-application web.config

  answered 7 years, 10 months ago Luciano Trez 96

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  A: Form Inheritance created in Runtime

  You are assigning an event and not method directly. I suggest looking at the Tcustomform class that is the parent class of Tform, there are methods that can be overridden. So, use Doshow, Doclose,…

  delphi inheritance polymorphism delphi-10

  answered 7 years, 10 months ago Luciano Trez 96

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  A: Add Datatable C# columns with Linq

  Nothing wrong, you should check if the Datatable is filled correctly. Follow an example to help. //cria DataTable var dt = new DataTable("teste"); dt.Columns.Add("valor", typeof(decimal)); //cria…

  c# linq

  answered 7 years, 10 months ago Luciano Trez 96

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  A: How to restrict formats in c#’s textbox

  If you only want to type numbers you can assign an event to the textbox.Keypress to handle this. Then mark the maximum size of characters to restrict the number of digits. public Form1() {…

  c# validation textbox

  answered 7 years, 10 months ago Luciano Trez 96