Server Error in '/' Application.

Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 288:                sql = "SELECT SName FROM cat_Price WHERE TreeID=" + product;
Line 289:                cmd = new OleDbCommand(sql, conn);
Line 290:                sql = cmd.ExecuteScalar().ToString();
Line 291:                Response.Write(" / " + sql + "</div>");
Line 292:                Response.Write("<div class='poshrif'></div>");

Source File: e:\rooms\u298282\kardanavto.ru\www\catalog\default.aspx    Line: 290

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP.catalog_default_aspx.__RenderContent1(HtmlTextWriter __w, Control parameterContainer) in e:\rooms\u298282\kardanavto.ru\www\catalog\default.aspx:290
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +256
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   System.Web.UI.Control.Render(HtmlTextWriter writer) +10
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +99
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   ASP.master_master.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in e:\rooms\u298282\kardanavto.ru\www\Master.Master:256
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +256
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   System.Web.UI.Control.Render(HtmlTextWriter writer) +10
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +99
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +134
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +99
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1266


Version Information: Microsoft .NET Framework Version:2.0.50727.9044; ASP.NET Version:2.0.50727.9047