Exception Log classfile
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Text;
using
Microsoft.SharePoint;
namespace
Trig_AMJ_Correspondence
{
public class ExceptionHandler
{
#region
Global Variables
string strListName = "Exception Logs";
string FormsSiteCollUrl = SPContext.Current.Site.Url;
#endregion
#region
Custom Methods
/// <summary>
/// GenerateExceptionLog method, which validate whether "Exception Logs" list exists in site, if exists take list object and log the exception
/// </summary>
/// <param name="strTitle">Error Title</param>
/// <param name="strErrMsg">Error Message</param>
/// <param name="strDesc">Error Description</param>
public void GenerateExceptionLog(string strTitle, string strErrMsg, string strDesc)
{
try
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (SPSite osite = new SPSite(FormsSiteCollUrl))
{
using (SPWeb oWeb = osite.OpenWeb())
{
SPList oList = oWeb.Lists.TryGetList(strListName);
if (oList != null)
{
AcceptException(oList, strTitle, strErrMsg, strDesc);
}
else
{
if (CreateList(oWeb))
{
oList = oWeb.Lists.TryGetList(strListName);
AcceptException(oList, strTitle, strErrMsg, strDesc);
}
}
}
}
});
}
catch (Exception ex)
{
}
}
/// <summary>
/// Creates a new custom list called "Exception Logs" along with fields "ErrorMsg" and "Description"
/// </summary>
/// <param name="oWeb">passing web from parent method</param>
/// <returns>return list creation result (true/false)</returns>
private bool CreateList(SPWeb oWeb)
{
bool rval = false;
try
{
oWeb.AllowUnsafeUpdates =
true;
oWeb.Lists.Add(strListName,
"Custom list to save exceptions", SPListTemplateType.GenericList);
SPList olist = oWeb.Lists.TryGetList(strListName);
olist.Fields.Add(
"ErrorMsg", SPFieldType.Note, true);
olist.Fields.Add(
"Description", SPFieldType.Note, true);
SPView view = olist.DefaultView;
view.ViewFields.Add(
"ErrorMsg");
view.ViewFields.Add(
"Description");
view.ViewFields.Add(
"Modified");
view.Query =
"<OrderBy><FieldRef Name='ID' Ascending='False' /></OrderBy>";
view.Update();
olist.Update();
oWeb.AllowUnsafeUpdates =
false;
rval =
true;
}
catch (Exception ex)
{
rval =
false;
}
return rval;
}
/// <summary>
/// Update exception details in Exception Logs list
/// </summary>
/// <param name="oList">Exception Logs list object</param>
/// <param name="strTitle">Error Title</param>
/// <param name="strErrMsg">Error Message</param>
/// <param name="strDesc">Error Description</param>
private void AcceptException(SPList oList, string strTitle, string strErrMsg, string strDesc)
{
try
{
if (oList != null)
{
SPQuery oEmptyQuery = new SPQuery();
oEmptyQuery.Query =
"<Where><Eq><FieldRef Name='ID' /><Value Type='Counter'>0</Value></Eq></Where>";
SPListItemCollection oItemColl = oList.GetItems(oEmptyQuery);
SPListItem oItem = oItemColl.Add();
oItem[
"Title"] = strTitle;
oItem[
"ErrorMsg"] = strErrMsg;
oItem[
"Description"] = strDesc;
oList.ParentWeb.AllowUnsafeUpdates =
true;
oItem.Update();
oList.ParentWeb.AllowUnsafeUpdates =
false;
}
}
catch (Exception)
{
}
}
#endregion
}
}
