B4X

CSV Set Column Name

Demonstrates how to set the name of a column in a CSV. B4X

Dim success As Boolean = False

'  We have the following CSV...

'  permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
'  lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
'  mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
'  flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
'  infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a
'  gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed

Dim bCrlf As Boolean = True
Dim sb As ChilkatStringBuilder
sb.Initialize
sb.AppendLine("permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round", bCrlf)
sb.AppendLine("lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b", bCrlf)
sb.AppendLine("mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed", bCrlf)
sb.AppendLine("flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a", bCrlf)
sb.AppendLine("infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a", bCrlf)
sb.AppendLine("gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed", bCrlf)

Dim csv As ChilkatCsv
csv.Initialize

csv.HasColumnNames = True
success = csv.LoadFromString(sb.GetAsString)

'  Get each column name..
Dim numCols As Int = csv.NumColumns
Dim i As Int = 0
Do While i < numCols
    Log(csv.GetColumnName(i))
    i = i + 1
Loop
Log("---")

'  Change the "numEmps" column name to "employeeCount"
success = csv.SetColumnName(2, "employeeCount")

numCols = csv.NumColumns
i = 0
Do While i < numCols
    Log(csv.GetColumnName(i))
    i = i + 1
Loop

'  Use the updated column name...
Log("---")
Log(csv.GetCellByName(3, "employeeCount"))

'  Output should be:

'  permalink
'  company
'  numEmps
'  category
'  city
'  state
'  fundedDate
'  raisedAmt
'  raisedCurrency
'  round
'  ---
'  permalink
'  company
'  employeeCount
'  category
'  city
'  state
'  fundedDate
'  raisedAmt
'  raisedCurrency
'  round
'  ---
'  105