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Tuesday, February 25, 2014
How to use progrmatically SPSITEDATAQUERY in SharePoint
string username = SPContext.Current.Web.CurrentUser.Name;
if (username != null)
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (site = new SPSite(SPContext.Current.Site.ID))
{
using (web = site.OpenWeb())
{
string where = @"<Where><And><Contains><FieldRef Name='AssignedTo' /><Value Type='User'>" + username + "</Value></Contains><And><Leq><FieldRef Name='DueDate' /><Value Type='DateTime'>" + SPUtility.CreateISO8601DateTimeFromSystemDateTime(DateTime.Now) + "</Value></Leq><Or><Eq><FieldRef Name='Status' /><Value Type='Choice'>Not Started</Value></Eq><Eq><FieldRef Name='Status' /><Value Type='Choice'>In Progress</Value></Eq></Or></And></And></Where>";
SPSiteDataQuery query = new SPSiteDataQuery();
query.Webs = "<Webs Scope='SiteCollection'>";
query.Lists = "<Lists ServerTemplate='171'/>";
query.ViewFields = "<FieldRef Name='Title' Type='Text'/>";
query.ViewFields += "<FieldRef Name='StartDate' />";
query.ViewFields += "<FieldRef Name='DueDate' />";
query.ViewFields += "<FieldRef Name='Status' />";
query.ViewFields += "<FieldRef Name='Assigned_To' Type='UserMulti' Nullable='TRUE' />";
query.ViewFields += "<FieldRef Name='TestUser' Type='User' Nullable='True'/>";
query.ViewFields += "<FieldRef Name='PercentComplete' Type='Number' Nullable='TRUE' />";
query.ViewFields += "<FieldRef Name='Remarks' />";
query.Query = where;
DataTable dt = web.GetSiteData(query);
//foreach (DataRow row in dt.Rows)
//{
// string name = row["Assigned_To"].ToString();
//}
if (dt.Rows.Count > 0)
{
gvlist.DataSource = dt;
gvlist.DataBind();
}
else
{
lblEmpty.Text = "No Records Found";
}
}
}
});
}
if (username != null)
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (site = new SPSite(SPContext.Current.Site.ID))
{
using (web = site.OpenWeb())
{
string where = @"<Where><And><Contains><FieldRef Name='AssignedTo' /><Value Type='User'>" + username + "</Value></Contains><And><Leq><FieldRef Name='DueDate' /><Value Type='DateTime'>" + SPUtility.CreateISO8601DateTimeFromSystemDateTime(DateTime.Now) + "</Value></Leq><Or><Eq><FieldRef Name='Status' /><Value Type='Choice'>Not Started</Value></Eq><Eq><FieldRef Name='Status' /><Value Type='Choice'>In Progress</Value></Eq></Or></And></And></Where>";
SPSiteDataQuery query = new SPSiteDataQuery();
query.Webs = "<Webs Scope='SiteCollection'>";
query.Lists = "<Lists ServerTemplate='171'/>";
query.ViewFields = "<FieldRef Name='Title' Type='Text'/>";
query.ViewFields += "<FieldRef Name='StartDate' />";
query.ViewFields += "<FieldRef Name='DueDate' />";
query.ViewFields += "<FieldRef Name='Status' />";
query.ViewFields += "<FieldRef Name='Assigned_To' Type='UserMulti' Nullable='TRUE' />";
query.ViewFields += "<FieldRef Name='TestUser' Type='User' Nullable='True'/>";
query.ViewFields += "<FieldRef Name='PercentComplete' Type='Number' Nullable='TRUE' />";
query.ViewFields += "<FieldRef Name='Remarks' />";
query.Query = where;
DataTable dt = web.GetSiteData(query);
//foreach (DataRow row in dt.Rows)
//{
// string name = row["Assigned_To"].ToString();
//}
if (dt.Rows.Count > 0)
{
gvlist.DataSource = dt;
gvlist.DataBind();
}
else
{
lblEmpty.Text = "No Records Found";
}
}
}
});
}
Progrmatically Exception Handler in Sharepoint
Exception Handler Class in Sharepoint
using Microsoft.SharePoint;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace PRoject_Name
{
public class Exception_Handlers
{
#region Global Variables
string strListName = "Exceptions Log";
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
}
}
ascx.csPage
try
{
if (!Page.IsPostBack)
{
GridData();
}
}
catch (Exception ex)
{
exp_handlers.GenerateExceptionLog("Project Name::PRoject_List_Wp::Page_Load", ex.Message, "Failure");
}
using Microsoft.SharePoint;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace PRoject_Name
{
public class Exception_Handlers
{
#region Global Variables
string strListName = "Exceptions Log";
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
}
}
ascx.csPage
try
{
if (!Page.IsPostBack)
{
GridData();
}
}
catch (Exception ex)
{
exp_handlers.GenerateExceptionLog("Project Name::PRoject_List_Wp::Page_Load", ex.Message, "Failure");
}
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