I am converting Visual Basic 6.0 code to .NET 4.5. I have the following lines of code. Can you tell me what they mean?
SQLMappingTables = " SELECT * FROM MappingTables " & _
" WHERE Group_Level = ? " & _
" AND Group_Code = ? " & _
" AND Code = ? "
Set Cmd_MappingTables = New ADODB.Command
Cmd_MappingTables.CommandText = SQLMappingTables
Cmd_MappingTables.CommandType = adCmdText
/// These are the line I do not understand
Set DefGroup_Level = Cmd_MappingTables.CreateParameter(, adChar, adParamInput, 1)
Set DefGroup_Code = Cmd_MappingTables.CreateParameter(, adChar, adParamInput, 15)
Set DefCode8 = Cmd_MappingTables.CreateParameter(, adChar, adParamInput, 3)