Fix: Issue ##1682 - Delete table

- DeleteTable does not delete table header values.

table.go

@@ -196,18 +196,6 @@ func (f *File) DeleteTable(name string) error {
 			if ws.TableParts.Count = len(ws.TableParts.TableParts); ws.TableParts.Count == 0 {
 				ws.TableParts = nil
 			}
-			// Delete cell value in the table header
-			coordinates, err := rangeRefToCoordinates(table.Range)
-			if err != nil {
-				return err
-			}
-			_ = sortCoordinates(coordinates)
-			for col := coordinates[0]; col <= coordinates[2]; col++ {
-				for row := coordinates[1]; row < coordinates[1]+1; row++ {
-					cell, _ := CoordinatesToCellName(col, row)
-					err = f.SetCellValue(sheet, cell, nil)
-				}
-			}
 			return err
 		}
 	}

table_test.go

@@ -122,11 +122,19 @@ func TestDeleteTable(t *testing.T) {
 	f.Sheet.Delete("xl/worksheets/sheet1.xml")
 	f.Pkg.Store("xl/worksheets/sheet1.xml", MacintoshCyrillicCharset)
 	assert.EqualError(t, f.DeleteTable("Table1"), "XML syntax error on line 1: invalid UTF-8")
-	// Test delete table with invalid table range
+	// Test delete table without deleting table header
 	f = NewFile()
-	assert.NoError(t, f.AddTable("Sheet1", &Table{Range: "A1:B4", Name: "Table1"}))
-	f.Pkg.Store("xl/tables/table1.xml", []byte("<table name=\"Table1\" ref=\"-\" />"))
-	assert.EqualError(t, f.DeleteTable("Table1"), ErrParameterInvalid.Error())
+	assert.NoError(t, f.SetCellValue("Sheet1", "A1", "Date"))
+	assert.NoError(t, f.SetCellValue("Sheet1", "B1", "Values"))
+	assert.NoError(t, f.UpdateLinkedValue())
+	assert.NoError(t, f.AddTable("Sheet1", &Table{Range: "A1:B2", Name: "Table1"}))
+	assert.NoError(t, f.DeleteTable("Table1"))
+	val, err := f.GetCellValue("Sheet1", "A1")
+	assert.NoError(t, err)
+	assert.Equal(t, "Date", val)
+	val, err = f.GetCellValue("Sheet1", "B1")
+	assert.NoError(t, err)
+	assert.Equal(t, "Values", val)
 }
 
 func TestSetTableHeader(t *testing.T) {