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Features / Barcodes / Code128
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    Code128
    In This Topic

    The Code 128 barcode is a linear barcode that represents high-density linear symbology to encode text, numbers, various functions and the entire 128 ASCII character set (from ASCII 0 to ASCII 128). It is widely used in enterprise internal management, production process, logistics control system of the bar code system.

    The below image displays Code128 barcode in a PDF document.

    Code128

    Formula definition

    You can set Code128 in a worksheet using the following formula:

    =BC_CODE128(value, color, backgroudColor, showLabel, labelPosition, codeSet, fontFamily, fontStyle, fontWeight, fontTextDecoration, fontTextAlign, fontSize, quietZoneLeft, quietZoneRight, quietZoneTop, quietZoneBottom)

    Parameter

    Name Description
    value A string that represents encode on the symbol of Code128.
    color A color that represents the barcode color. The default value is 'rgb(0,0,0)'.
    backgroundColor A color that represents the barcode backgroundcolor. The default value is 'rgb(255, 255, 255)'
    showLabel Specifies whether to show label text when the barcode has label.
    labelPosition ​A value that represents the label position when the label is shown.
    codeSet A value that represents which code is set to use for QRCode. It has 'auto|A|B|C' values. The default value is 'auto'.
    fontFamily A string that represents the label text fontFamily. The default value is 'sans-serif'.
    fontStyle A string that represents the label text fontStyle. The default value is 'normal'.
    fontWeight A string that represents the label text fontWeight. The default value is 'normal'.
    fontTextDecoration A string that represents the label text fontTextDecoration. The default value is 'none'.
    fontTextAlign A string that represents the label text fontTextAlign. The default value is 'center'.
    fontSize A string that represents the label text fontSize. The default value is '12px'.
    quietZoneLeft A value that represents the size of left quiet zone.
    quietZoneRight A value that represents the size of right quiet zone.
    quietZoneTop A value that represents the size of top quiet zone.
    quietZoneBottom A value that represents the size of bottom quiet zone.

    Using Code

    This example code sets Code128 in the worksheet.

    C#
    Copy Code 
    // Create a new workbook
var workbook = new GrapeCity.Documents.Excel.Workbook();

// Set worksheet layout and data
IWorksheet worksheet = workbook.Worksheets[0];
worksheet.Range["B:F"].ColumnWidth = 20;
worksheet.Range["4:7"].RowHeight = 60;
worksheet.Range["A:A"].ColumnWidth = 5;
worksheet.Range["B2"].Value = "Code128";
worksheet.Range["B2:F2"].Merge(true);
worksheet.Range["B3:F3"].Value = new object[,]{
{"Name", "Number", "Defult", "Hidden Label", "Custom Label Font"}
};
worksheet.Range["B4:C7"].HorizontalAlignment = HorizontalAlignment.Center;
worksheet.Range["B4:C7"].VerticalAlignment = VerticalAlignment.Center;
worksheet.Range["B2:F3"].HorizontalAlignment = HorizontalAlignment.Center;
worksheet.Range["B2:F3"].VerticalAlignment = VerticalAlignment.Center;
worksheet.Range["B4:C7"].Value = new object[,]
  {
    {"Police", 911},
    {"Telephone Directory Assistance", 411},
    {"Non-emergency Municipal Services", 311},
    {"Travel Info Call 511", 511}
  };
worksheet.Range["B4:C6"].WrapText = true;
worksheet.Range["G6"].WrapText = true;
worksheet.PageSetup.Orientation = PageOrientation.Landscape;
worksheet.PageSetup.PrintGridlines = true;
      
// Set formula
for (var i = 4; i < 8; i++)
{
   worksheet.Range["D" + i].Formula = "=BC_CODE128" + "(C" + i + ")";
   worksheet.Range["E" + i].Formula = "=BC_CODE128" + "(C" + i + ", , , false))";
   worksheet.Range["F" + i].Formula = "=BC_CODE128" + "(C" + i + ", , , true, \"top\", \"B\",\"Arial\", \"normal\")";
}

// Save to a pdf file
workbook.Save("code128.pdf");