I am trying to import a CSV file into an Dataset in my ASP.NET app. I
get the full path from an HTML input (file) control, and then take the
filename string from that also.
My problem seems to be in the connection string. The error I get when

In the following code, calling CallTestMethod() from an instance of the
derived class (the base is abstract and we can never instantiate it),
referencing 'base.TestMethod()' actually calls 'TestMethod()' in the base
class, but referencing 'this.CallTestMethod()' (defined in the ...

I am trying to get color palette of image and change it:
Image tmpImg = pictureBox1.Image;
// Here tmpImg.Palette sometimes has 0 entries and sometimes has some
entries

i am trying to pass null value for datetime field to typed dataset it
is not accepting
it is showing error as below
'Billing.FreightBillCollection.GetByDriverID(long, int,

How do I detect those? Shutdown seem to be fine, it fires Form events
and app shuts down properly.
I need to detect when system locks up or other events happen. This is
TCP/IP app and I need to notify oser users of this happening.

In consideration of a "Utilities" class that contains methods intended to be
used amongst multiple projects...
Is there any general consensus on whether such a class should be static? I
have traditionally and somewhat thoughtlessly created these sorts of classes

List<string> sss = new List<string>();
sss.Add("z");
sss.Add ("b");
sss.Add ("m");

I want to activate an application (Excel) in code. If I reference
microsoft.visualbasic, I could use:
Interaction.AppActivate("Microsoft Excel");
But I wold rather use a native C# approach.  I know that Interaction.MsgBox

I have a class library in C++ and it has hundreds of methods each having
scores of static variables. Evidently, I cannot reference this library in a
C# project so I must convert (right?).
In converting the class library to c# I'll need to eliminate the static

I'm using a library that returns an Object.  The result can be either an
array of strings or an XML document.
First step, how can I cast the result (Object) to get access to the array
elements?

i have 2 Forms - ListView and DetailView.
By clicking any element of the ListView the clicked order-object is passed
to the DetailView, where it can be modified.
If the order is modified and than a "Cancel"-button clicked, you navigate

I am making the following call from a C# app to a VBA macro in Word:
_wordApp.GetType().InvokeMember("Run",
System.Reflection.BindingFlags.Default |
System.Reflection.BindingFlags.InvokeMethod, null, _wordApp,

It seems that the installation runs if I just run the .msi file but from the
internet instructions it says I need to have both files at the target machine
and run the setup.exe file.  Would it be a problem if I just run the .msi
file?

    how to know some fields were  modified by user?
list bellow my project:
components: DataGridView,DataSet
when user change the DataGridView colmons field value,we can use

I am reading values from a device through a TCP/IP socket that represent an
ANSI float value. However, the values come across as 2 elements in a ushort
array. I need to map the 2 values bit patterns into a floating point number
to get the actual float values being returned.