From 1fe660df648422a53eef0c735657cb2f5237ef7b Mon Sep 17 00:00:00 2001
From: xuri <xuri.me@gmail.com>
Date: Thu, 23 Apr 2020 02:01:14 +0800
Subject: - Resolve #485 use sheet index instead of ID -  added 3 internal
 function: getSheetID, getActiveSheetID, getSheetNameByID

---
 chart.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'chart.go')

diff --git a/chart.go b/chart.go
index 2c802ee..8fa0b5d 100644
--- a/chart.go
+++ b/chart.go
@@ -762,7 +762,7 @@ func (f *File) AddChart(sheet, cell, format string, combo ...string) error {
 // a chart.
 func (f *File) AddChartSheet(sheet, format string, combo ...string) error {
 	// Check if the worksheet already exists
-	if f.GetSheetIndex(sheet) != 0 {
+	if f.GetSheetIndex(sheet) != -1 {
 		return errors.New("the same name worksheet already exists")
 	}
 	formatSet, comboCharts, err := f.getFormatChart(format, combo)
-- 
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