Job Multiply two matrix data from excel

static void Mat_Multiply(Args _args)
{
    CCADOConnection  adoConnection;
    CCADOCommand    adoCommand,adoCommands2;
    CCADORecordSet   adoRecordSet,adoRecordSets2;
    CCADOFields      adoFields,adoFields2;
    CCADOField       adoField;
    int               i,j,k,mno1,mno2,mul;
    int               noofrows1,noofcols1, noofrows2,noofcols2;
    ;

    adoConnection = new CCADOConnection();
    adoRecordSet = new CCADORecordSet();
    adoConnection.open("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + 'D:\Testing.xlsx' + ";Extended Properties='Excel 12.0;HDR=No;IMEX=1'"); // for excel 2010
    adoCommand = new CCADOCommand();
    adoCommand.activeConnection(adoConnection);
    adoCommand.commandText(@"SELECT * FROM [SHEET1$]");
    adoRecordSet = adoCommand.execute();
    adoCommands2 = new CCADOCommand();
    adoCommands2.activeConnection(adoConnection);
    adoCommands2.commandText(@"SELECT * FROM [SHEET2$]");
    adoRecordSets2 = adoCommands2.execute();
        //Calculate rows and columns
        noofcols1 = adoRecordSet.fields().count();
        while(!adoRecordSet.EOF())
        {
        adoRecordSet.recordSet().MoveNext();
        noofrows1++;
        }
        noofcols2 = adoRecordSets2.fields().count();
        while(!adoRecordSets2.EOF())
        {
        adoRecordSets2.recordSet().MoveNext();
        noofrows2++;
        }
        //Calculate rows and columns
        if(noofcols1==noofrows2)
        {
        adoCommand.commandText(@"SELECT * FROM [SHEET1$]");
        adoRecordSet = adoCommand.execute();
        adoCommands2.commandText(@"SELECT * FROM [SHEET2$]");
        adoRecordSets2 = adoCommands2.execute();
        adoFields = adoRecordSet.fields();
        adoFields2 = adoRecordSets2.fields();

        for(i=0;i<noofrows1;i++)
        {
            for(j=0;j<noofcols1;j++)
            {
                mul = 0;
                for(k=0;k<noofrows2;k++)
                {
                 mno1=adoFields.itemIdx(k).value();
                 mno2 = adoFields2.itemIdx(j).value();
                 mul+=mno1*mno2;
                 adoRecordSets2.recordSet().moveNext();
                }

                adoCommands2.commandText(@"SELECT * FROM [SHEET2$]");
                adoRecordSets2 = adoCommands2.execute();
                 adoFields2 = adoRecordSets2.fields();
                 print mul;
            }
             adoRecordSet.recordSet().moveNext();
        }
         pause;
     }
     else
     {
        info("Mul not possible");
     }

}