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excelapp.Workbooks[1].PublishObjects.Add(Excel.XlSourceType.xlSourceSheet,"C:\\ExcelToHTML.htm","Sheet1","",Excel.XlHtmlType.xlHtmlStatic,"",""); 
  excelapp.Workbooks[1].PublishObjects.Publish(); 
  excelapp.Workbooks[1].PublishObjects.Delete(); 
  ÆäÖУ¬"C:\\ExcelToHTML.htm"±íʾÄãÒª½«Õâ¸öת»»Ö®ºóµÄHTML±£´æµ½ÄÄÀïÈ¥£¬"Sheet1"±íʾµ±Ç°¹¤×÷sheetµÄÃû³Æ

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OpenFileDialog openFileDialog1 = new OpenFileDialog(); //  ʵÀý
            openFileDialog1.Filter = "All files (*.*)|*.*|ExcelÎļþ *.xls|*.xls";
            openFileDialog1.FilterIndex = 2;
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                //  »ñÈ¡ExcelÎļþµÄÍêÕû·¾¶ 
                string source = openFileDialog1.FileName;
                string ConnStr = "Provider=Microsoft.Jet.Oledb.4.0;Data Source=" + sou


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