Server Error in '/' Application.

Input string was not in a correct format.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: Input string was not in a correct format.

Source Error:


Line 101:            Items.UpdateItems(ItemsColumns.IitotalviewColumn + " = " + ItemsColumns.IitotalviewColumn + "+1", ItemsTSql.GetItemsByIid(iid));
Line 102:
Line 103:            int gia1 = int.Parse(item[ItemsColumns.FisalepriceColumn].ToString());
Line 104:            int gia2 = int.Parse(item[ItemsColumns.FipriceColumn].ToString());
Line 105:            int gia3 = gia1 - gia2;

Source File: g:\pleskvhosts\69.webbaomat.vn\songan.tatthanh.net\cms\display\Product\Controls\ProductDetail.ascx.cs    Line: 103

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +14542542
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +174
   cms_display_Product_Controls_ProductDetail.loadData() in g:\pleskvhosts\69.webbaomat.vn\songan.tatthanh.net\cms\display\Product\Controls\ProductDetail.ascx.cs:103
   cms_display_Product_Controls_ProductDetail.Page_Load(Object sender, EventArgs e) in g:\pleskvhosts\69.webbaomat.vn\songan.tatthanh.net\cms\display\Product\Controls\ProductDetail.ascx.cs:30
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0