VB.NET

CSV Set Column Name

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

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 New Chilkat.StringBuilder
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 New Chilkat.Csv

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

' Get each column name..
Dim numCols As Integer = csv.NumColumns
Dim i As Integer = 0
While i < numCols
    Debug.WriteLine(csv.GetColumnName(i))
    i = i + 1
End While
Debug.WriteLine("---")

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

numCols = csv.NumColumns
i = 0
While i < numCols
    Debug.WriteLine(csv.GetColumnName(i))
    i = i + 1
End While

' Use the updated column name...
Debug.WriteLine("---")
Debug.WriteLine(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