[RESOLVED] [2005] Looping and Arrays

[onlyGirl]

Hello,

I am stuck in trying to figure out how to add values to the parameters while looping. The code below is hard-coded to add the value of the array to the parameter which works fine if there is only 1 line to import but I know for a fact that the files will be more than 1 line long. Please help!

    If varType = "LogCurve" Then
                    For i = 0 To (UBound(results.ToArray())) / 3
                       
                        If chkApi.Checked = True Then
                            varApi = splitout2(x + (nbxApi.Value - 1))
                           Else
                            varApi = txtApi.Text
                            
                        End If
                        
                        If nbxDepth.Value = 0D Then
                            varDepth = 0
                        Else
                            If results(x + (nbxDepth.Value - 1)) = "" Then
                                varDepth = 0
                            Else
                                varDepth = results(0)

                            End If
                        
                          
                            If nbxSPC.Value = 0D Then
                                varSPC = 0
                            Else
                                If results(x + (nbxSPC.Value - 1)) = "" Then
                                    varSPC = 0
                                Else

                                    varSPC = results(1)
                                End If
                            End If
                            

                            If nbxVSH.Value = 0D Then
                                varVSH = 0
                            Else
                                If results(x + (nbxVSH.Value - 1)) = "" Then
                                    varVSH = 0
                                Else
                                    varVSH = results(2)
                                End If
                            End If
                         
                            Me.InsertDB()
                           
                            varCount = varCount + 1
                        End If

                    Next

[Shaggy Hiker]

Not quite sure what you are asking for, but at the very least, this is suspicious:

If results(x + (nbxDepth.Value - 1)) = "" Then
                                varDepth = 0
                            Else
                                varDepth = results(0)
 
                            End If

If results holds a string, then the only way varDepth = results(0) will work is if you have Option Strict Off, which you really shouldn't do.

Other than that, what is results? How is it defined? Is that even the array you are talking about (sure looks like one)?

[onlyGirl]

What I am doing is importing a csv file and storing the data in an array. I create a list of strings, named results, and add all the values of the array to it minus all the null values. Results stores all the values from which were imported from the csv file minus the null values. I use .ToArray to make results an array. I then loop to assign the values from the array to the variables varDepth, varSPC, varVSH. This is the part where I am getting stuck at. I do not know how to add the value from the array to the variable in my program. The way it is written now is varDepth = results(0). This works but only if their are only 3 items in the array. The csv file will have more than just 3 items.

[Shaggy Hiker]

There is a difficult problem in here. If there is no pattern to which values are null in the CSV rows, how will you know where the items are located in the array? It seems to me that if the CSV has the same number of fields, and some of them are simply empty, then you wouldn't exclude the empty ones such that item X is always the Nth item in a row, and hence the Nth item in the array. Perhaps that's not an issue?

The other problem is that there is probably no good way to do this. If you are taking the values from an array of some variable size, and assigning those values to individual variables, then you have to have as many variables as you have slots in the array. In short: You need an array of variables.

You would have to do exactly what you currently are doing, just repeat it as many times as is necessary for all the variables. Alternatively, you could just use an array of a different type, and convert the strings from Results into the other array. This could be done in a loop, because the index of each slot in the array would be the same for both arrays. The only alternative is to do exactly what you are doing but add enough If blocks for as many potential values as you might possibly have in Results. That would be ugly, and it is hard to say how it would be of any use.