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Hi, I have a 26 digit string written to a textfile using streamwriter. I now wish to use streamreader to display the string using the substring method, so that the first 4 digits are listed under the heading 'Product Code', the next 2 digits listed under the heading 'Type' and so on. This...

I have a list of 24 digit strings that have been written to a textfile using the streamwriter function and I now want display each string split under a series of columns. At the moment I can display the list of strings in a rich textbox using the following code: Private Sub Button2_Click(ByVal...

Hi I have six labels in a group box, each of which displays a random number between 1 and 49 when I click the generate numbers button. If the number is between 1 and 9, I want the backcolor for the label to be white, 10-19 cyan, 20-29 - red, 30-39 - green & 40-49 - yellow. Can anyone help...

I've got a group box with 10 check boxes on a form and a 'Select All' button and Reset button. In the General Declarations I've declared Dim c as Control, then in the click event of the 'Select All' button I've got the following code: For Each c in Controls If Typeof (c) Is Checkbox...

I want to develop an ActiveX component that will validate IP addresses. If an invalid IP address is passed to the component, then the component will pass back the address 0.0.0.0. I want to use a deployment model that will allow the component to be used simultaneously by multiple applications...

I’m trying to work out a few things about Visual SourceSafe and one of them is this. If I want to send a shell application, after bringing it to a stable state (after having developed the shell app.), to a team at another location for final development do I create a separate Visual SourceSafe...

I want to create a component with objects that will represent records in a database table. Each object will represent a single record and expose a read-only property for each field. Should I create a class module that opens a Recordset in its initialise event, make the initialise event use the...

I am using ADOs in the initial coding of a VB datatbase application. I have created an ADO Command object named cndMyCommand and associated it with an ADO Connection object named cnnMyConnection. I want to issue the following UPDATE statement against the database: UPDATE Employees SET Salary =...

I want to optimize the speed and performance of my application. It performs several mathematical calculations, but does not compare floating point numbers to each other. I’m on the advanced optimizations dialog box and I think I shouldn’t select ‘Remove Floating Point Error Checks’ and I...

I’m developing a database application using a Data Environment object named deMyDatabase. I’ve created a report object named drMyCustomers using the Data Report Designer. In deMyDatabase I’ve set up a Command object named cmdCustomers that contains the following fields: CustomerID LastName...

I’ve developed an ActiveX in-process component named MyDLL. What is the best way to test MyDLL using the Visual Basic design-time environment?

My application contains a global variable named gintmarketing and a module-level variable named mintOperations. Both variables are declared in the same module. A procedure in this module named MyProcedure contains the following line of code: IntSales = gintMarketing + mintOperations Can I view...

I have a client application named MyClientApp that contains a class module named MyClass. MyClass contains a callback method named MyCallback. On the corporate network, there is a COM component named MyServerCOM that contains a method named CallMyCallback. MyServerCOM contains a method named...