visual-studio-2008

问题 I have a grid and when data is loaded in grid; I simply select a row and press edit button. On edit, new sub form is opened and values of row's cells are passed to controls on sub form. But, when I change some values on sub form and save them to be replaces in grid the error comes to me: Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound . What is cause of this error and how to overcome this. 回答1: The cause is that "Rows cannot be

问题 I have a grid and when data is loaded in grid; I simply select a row and press edit button. On edit, new sub form is opened and values of row's cells are passed to controls on sub form. But, when I change some values on sub form and save them to be replaces in grid the error comes to me: Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound . What is cause of this error and how to overcome this. 回答1: The cause is that "Rows cannot be

问题 I am using VSTS2008 + C# + .Net 3.0. I am using below code to serialize XML, and my object contains array type property, but there some additional elements' layer (in my sample, MyInnerObject and MyObject) generated which I want to remove from the generated XML file. Any ideas? Current generated XML file, <?xml version="1.0"?> <MyClass xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <MyObjectProperty> <MyObject> <MyInnerObjectProperty>

问题 Just another of those things that I have never done before but which is probably simple ... when you know how I am using VB Express 2008 and need to create a very simple DLL. I already built and tested it and now I find that it has to be a COM DLL. How do I go about that? Edit: in reply to @Kman - I looked at http://msdn.microsoft.com/en-us/library/system.runtime.interopservices.comvisibleattribute.aspx and changed my code to Imports System.Runtime.InteropServices Namespace My_DLL

问题 Just another of those things that I have never done before but which is probably simple ... when you know how I am using VB Express 2008 and need to create a very simple DLL. I already built and tested it and now I find that it has to be a COM DLL. How do I go about that? Edit: in reply to @Kman - I looked at http://msdn.microsoft.com/en-us/library/system.runtime.interopservices.comvisibleattribute.aspx and changed my code to Imports System.Runtime.InteropServices Namespace My_DLL

问题 I need to create a service, but the service needs to be in a already existing Class Library file and also the new service needs to start running after the Class Library is installed. Is there a way to create an Init() method or other way to start service inside in Class Library? The project supports max .NET 3.5 Sorry if it sounds dumb, i'm new to the Class Library stuff 回答1: No, class libraries don't support initialization like this. Note that the library wouldn't even be loaded until it's

问题 Is there way to edit local reports (RDLC) from Reporting Services 2008 with Visual Studio 2008? Now it says that Report element was not found (this is due different schemas). For me this question is actual, because I want provide my customer with ability to design or customize reports with Report Builder 2.0. 回答1: Yes. The SQL server BI studio is actually visual studio. Once I installed VS Pro, the BI studio simply "merged" into it. UPDATE From SQL server books online: Upgrade will not delete

问题 Dim NorthWindOledbConnection As String = "Provider=SQLOLEDB;DataSOurce=SARAN-PC\SQLEXPRESS;Integrated Security=ssp1;InitialCatalog=Sara" Dim rs As New ADODB.Recordset() rs.Open("select * from SecUserPassword", NorthWindOledbConnection, ADODB.CursorTypeEnum.adOpenStatic, ADODB.LockTypeEnum.adLockBatchOptimistic) i tried to run this above code in visual studio 2008 - it shows the following error: "Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No

问题 I wanted to check/tick a column created with DataGridViewCheckBoxColumn on runtime. here's a snippet of my code; Dim checkCol As DataGridViewCheckBoxColumn = New DataGridViewCheckBoxColumn() DataGridView1.Columns.Add(checkCol) After I added this column, I wanted to check/tick some of these checkboxes on start up of the VB application. How do I do that? Do I have to make use of some of the methods from Checkbox Class? thanks 回答1: A CheckBox accepts two values: True (checked) or False

问题 As explained in the title, I am trying to use the libcurl C API to submit simple http query. I am using windows as an OS, C++ as a language, Visual Studio 2008 as an IDE. My code is quiet simple: I initialize curl: CURLcode init = curl_global_init(CURL_GLOBAL_ALL); I initialize my handle: CURL* handle = curl_easy_init(); I set the url: CRULcode set_url = curl_easy_setopt(handle, CURLOPT_URL, "http://www.example.com") I submit my request: CURLcode submit = curl_easy_perform(handle); As a