protected void btnSellProduct_Click(object sender, EventArgs e)
    {

        string sPath = Server.MapPath("~/");
        string sFileName = sPath + "item.txt";
        string[] sArr;
        string[] sArr2;
        int lCount;
        int lCurrentStock;
        int lSellingStock;
        

        if (File.Exists(sFileName.Trim()) == true)
        {
            sArr = System.IO.File.ReadAllLines(sFileName);
            for (lCount =0;lCount <= sArr.Length -1; lCount ++)
            {
                sArr2 = sArr[lCount].Split(new string[] { "^^^^" }, StringSplitOptions.None);

                if (sArr2[0].Trim() == txtSellProdID.Text.Trim())
                 //   Once Control go inside this condition,i want to exit from the for loop. For Dat  
                 //       i Write break,but 
                 //for (lCount =0;lCount <= sArr.Length -1; lCount ++)
                 //    in the above line , lCount ++ is underline - Unreachable code detected.
                {
                    lCurrentStock = Convert.ToInt32(sArr2[3]);
                    lSellingStock = Convert.ToInt32(txtQtyToSold.Text);
                    if (lSellingStock > lCurrentStock)
                        lblStatus.Text = "Could not Sell this Product.Out of Stock";
                     else
                    {
                        WriteToTransactionFile();
                        DecrementFromItemFile();
                        lblStatus.Text = "Transaction Processed Successfully";
                    }                   
                }
                break; 
             }
        }
       }

protected void btnSellProduct_Click(object sender, EventArgs e)
    {
        string sPath = Server.MapPath("~/");
        string sFileName = sPath + "item.txt";
        string[] sArr;
        string[] sArr2;
        int lCount;
        int lCurrentStock;
        int lSellingStock;
 
        if (File.Exists(sFileName.Trim()))
        {
            sArr = System.IO.File.ReadAllLines(sFileName);
            for (lCount = 0; lCount <= sArr.Length - 1; lCount++)
            {
                sArr2 = sArr[lCount].Split(new string[] { "^^^^" }, StringSplitOptions.None);
 
                if (sArr2[0].Trim() == txtSellProdID.Text.Trim())
                {
                    lCurrentStock = Convert.ToInt32(sArr2[3]);
                    lSellingStock = Convert.ToInt32(txtQtyToSold.Text);
                    if (lSellingStock > lCurrentStock)
                        lblStatus.Text = "Could not Sell this Product.Out of Stock";
                    else
                    {
                        WriteToTransactionFile();
                        DecrementFromItemFile();
                        lblStatus.Text = "Transaction Processed Successfully";
                    }
                    break;
                }
 
            }
        }
 
    }