private void btnSearch_Click(object sender, RibbonControlEventArgs e)
{
Excel.Workbook wkBK = Globals.ThisAddIn.Application.ActiveWorkbook;
if (wkBK.IsWorkSheet(sheetName) != true)
{
System.Windows.Forms.MessageBox.Show("搜索的工作表不存在！", "温馨提示");
}
else
{
wkBK.Worksheets[sheetName].Activate();
System.Windows.Forms.MessageBox.Show("已定位到指定的工作表中！", "恭喜你");
}
}