bool IsFieldNumber(
string fieldName)
{
// sanity
if (_schema == null)
{
return(false);
}
// check field type
C1.Win.FlexReport.FieldInfo fi = _schema.Fields.Find((fi_) => fi_.Name == fieldName);
if (fi == null)
{
return(false);
}
switch (Type.GetTypeCode(fi.DataType))
{
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
return(true);
}
// not a number
return(false);
}
int GetFieldWidth(
string fieldName)
{
int size = 10; // << default value in chars
// use schema information if available
if (_schema != null)
{
// C1.C1Report.FieldInfo fi = _schema[fieldName];
C1.Win.FlexReport.FieldInfo fi = _schema.Fields.Find((fi_) => fi_.Name == fieldName);
if (fi != null)
{
switch (Type.GetTypeCode(fi.DataType))
{
case TypeCode.String:
size = (fi.MaxLength < 0) ? DEFCHARCOUNT : Math.Min(fi.MaxLength, 5000);
break;
case TypeCode.Boolean:
case TypeCode.Byte:
size = 3;
break;
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
size = 6;
break;
case TypeCode.Decimal:
case TypeCode.Single:
case TypeCode.Double:
size = 10;
break;
case TypeCode.DateTime:
size = 10;
break;
default:
Debug.WriteLine(string.Format("** don't know the width for {0}", fi.DataType));
break;
}
}
}
// convert from chars to twips (approximation)
return(size * 1440 * 8 / 72);
}
