public static string GetNullStringValue(Type objType)
{
string functionReturnValue = "";
if ((objType != null))
{
if (objType == typeof(int))
{
functionReturnValue = NullInteger.ToString();
}
else if (objType == typeof(float))
{
functionReturnValue = NullInteger.ToString();
}
else if (objType == typeof(double))
{
functionReturnValue = NullInteger.ToString();
}
else if (objType == typeof(decimal))
{
functionReturnValue = NullInteger.ToString();
}
else if (objType == typeof(System.DateTime))
{
functionReturnValue = NullDate.ToString();
}
else if (objType == typeof(string))
{
functionReturnValue = NullString;
}
else if (objType == typeof(bool))
{
functionReturnValue = NullBoolean.ToString();
}
else if (objType == typeof(Guid))
{
functionReturnValue = NullGuid.ToString();
}
else
{
throw new NullReferenceException();
}
}
else
{
// assume string
functionReturnValue = NullString;
}
return(functionReturnValue);
}