var tableStyle = new GcSpread.Sheets.TableStyle();
var thinBorder = new GcSpread.Sheets.LineBorder("black", GcSpread.Sheets.LineStyle.dotted);
tableStyle.wholeTableStyle(new GcSpread.Sheets.TableStyleInfo("aliceblue", "green", "bold 10pt arial", thinBorder, thinBorder, thinBorder, thinBorder, thinBorder, thinBorder));
var tableStyleInfo = new GcSpread.Sheets.TableStyleInfo(
"black",
"white",
"bold 11pt arial",
new GcSpread.Sheets.LineBorder("green", GcSpread.Sheets.LineStyle.thin),
new GcSpread.Sheets.LineBorder("red", GcSpread.Sheets.LineStyle.thick),
new GcSpread.Sheets.LineBorder("yellow", GcSpread.Sheets.LineStyle.thin),
new GcSpread.Sheets.LineBorder("blue", GcSpread.Sheets.LineStyle.thick));
tableStyle.headerRowStyle(tableStyleInfo);
var table = activeSheet.addTable("table1", 1, 1, 5, 5, tableStyle);