Server Error in '/' Application.

Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

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.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

Source Error:


Line 175:        GridView1.DataSource = dt;
Line 176:        GridView1.DataBind();
Line 177:        RadioButton rb = (RadioButton)GridView1.Rows[0].Cells[0].FindControl("RadioButton1");
Line 178:        rb.Checked = true;
Line 179:        conn.Close();

Source File: d:\hostingspaces\blnmode.com\httpdocs\productdetails.aspx.cs    Line: 177

Stack Trace:


[ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index]
   System.Collections.ArrayList.get_Item(Int32 index) +14538231
   System.Web.UI.WebControls.GridViewRowCollection.get_Item(Int32 index) +19
   productdetails.pricee() in d:\hostingspaces\blnmode.com\httpdocs\productdetails.aspx.cs:177
   productdetails.Page_Load(Object sender, EventArgs e) in d:\hostingspaces\blnmode.com\httpdocs\productdetails.aspx.cs:129
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   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