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12.22.2007 at 07:56PM PST, ID: 23040347
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8.4

SharePoint webpart  paging problem?

Asked by rajfouru in MOSS-Sharepoint

Tags: ,

Hi Experts,
Please help me. it's urget for me.
i created webpart. that display document from all library in the current site colletion.
please see fallowing code, i am passing page size from tool part.
when web part displaying first time i am getting 3 records. then i have prev and next links.
after i am clicking next i am bale to see next 3 records but if i click previous  i am not able to see previous records. i know we need to do in post back but i am confusing some what. please see following code and give me the suggestion..

and more more thing.. this webpart display from one sitecolletion , how can u chge this code to disply document form all sites in site colletions.


MY CODE IS




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using System;
using System.Data;
using System.ComponentModel;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml.Serialization;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Utilities;
using Microsoft.SharePoint.WebPartPages;
using Microsoft.SharePoint.WebControls;
 
namespace DocumentWeb
{
    [DefaultProperty("Text"),
    ToolboxData("<{0}:DocumentWeb runat=server></{0}:DocumentWeb>"),
      XmlRoot(Namespace = "DocumentWeb")]
    public class DocumentWeb : Microsoft.SharePoint.WebPartPages.WebPart
    {
        #region Fields
         const string defaultListFields = "Status;";
        string _listFields = defaultListFields;
        int _itemsToDisplay = 2;
        int _numberofDays = 30;
        private DataGrid grid;
        private DataTable dt = new DataTable();
        DataSet ds = new DataSet();
        System.Collections.ArrayList ListColumns = new System.Collections.ArrayList();
        System.Collections.ArrayList ArrayListfields = new System.Collections.ArrayList();
        int ItemCount, RowCount, ColumnCount;
        SPWeb web;
 
        #endregion
       
        #region Public Fields
 
        [Browsable(true),
      Category("Data"),
       DefaultValue(30),
       WebPartStorage(Storage.Personal),
       FriendlyName("Number of Days"),
       Description("")]
        public int NumberofDays
        {
            get
            {
                return _numberofDays;
            }
            set
            {
                _numberofDays = value;
            }
        }
 
        [Browsable(true),
        Category("Data"),
        DefaultValue(defaultListFields),
        WebPartStorage(Storage.Personal),
        FriendlyName("List fields"),
        Description("Determines which fields for a specific list are used to display in the list.")]
        public string ListFields
        {
            get
            {
                return _listFields;
            }
            set
            {
                _listFields = value;
            }
        }
 
        [Browsable(true),
        Category("Data"),
        DefaultValue(2),
        WebPartStorage(Storage.Personal),
        FriendlyName("Items to display"),
        Description("Number of new items to display.")]
        public int ItemsToDisplay
        {
            get
            {
                return _itemsToDisplay;
            }
            set
            {
                _itemsToDisplay = value;
            }
        }
 
        
        #endregion
     
        protected override void CreateChildControls()
        {
            base.CreateChildControls();
            web = SPControl.GetContextWeb(Context);
            grid = new DataGrid();
            grid.AllowPaging = true;
            grid.PageSize = this.ItemsToDisplay;
            grid.GridLines = GridLines.None;
            grid.Width = System.Web.UI.WebControls.Unit.Percentage(100);
            grid.HeaderStyle.BackColor = System.Drawing.Color.SlateGray;
            grid.HeaderStyle.Font.Bold = true;
            grid.HeaderStyle.HorizontalAlign = HorizontalAlign.Left;
            grid.AlternatingItemStyle.BackColor = System.Drawing.Color.Gainsboro;
            grid.PagerStyle.Mode = PagerMode.NextPrev;
            grid.PagerStyle.NextPageText = "Next";
            grid.PagerStyle.PrevPageText = "Prev";
            grid.CurrentPageIndex = 0;
            this.Controls.Add(grid);
            ListColumns = GetListColumns();
            this.grid.PageIndexChanged += new DataGridPageChangedEventHandler(this.grid_PageIndexChanging);
            Gridbinder(web);
        }
        
        protected override void RenderWebPart(HtmlTextWriter output)
        {
            this.EnsureChildControls();
            
           
           
            grid.RenderControl(output);
        }
        
        private  void grid_PageIndexChanging(object sender, DataGridPageChangedEventArgs e)
        {
 
            grid.CurrentPageIndex = e.NewPageIndex;
            grid.DataBind();
        }
        
        private void Gridbinder(SPWeb web)
        {
 
            System.Collections.ArrayList items = new System.Collections.ArrayList();
            foreach (SPList list in web.Lists)
            {
 
                if (list.BaseType == SPBaseType.DocumentLibrary)
                {
                    SPDocumentLibrary documentLibrary = (SPDocumentLibrary)list;
 
                    if (documentLibrary.IsCatalog == false && documentLibrary.Title != "Images" && documentLibrary.Title != "Pages" && documentLibrary.Title != "Style Library")
                    {
 
                        SPQuery query = new SPQuery();
                        query.Query = String.Format("<Where><Gt><FieldRef Name='Modified'/>" +
"<Value Type='DateTime' StorageTZ='TRUE'>{0}</Value></Gt></Where>", SPUtility.CreateISO8601DateTimeFromSystemDateTime(DateTime.UtcNow.AddDays(-this.NumberofDays)));
                        //query.RowLimit = (uint)this.ItemsToDisplay;
                        foreach (SPListItem listItem in list.GetItems(query))
                        {
                            items.Add(listItem);
 
                        }
 
                    }
 
                }
            }
 
 
            for (ItemCount = items.Count - 1;  ItemCount >= 0; ItemCount--)
            {
                //  ItemCount >= (items.Count- this.ItemsToDisplay) && 
                DataRow DRow = dt.NewRow();
                SPListItem item = (SPListItem)items[ItemCount];
                string url = item.ParentList.DefaultViewUrl;
                url = url.Substring(0, Microsoft.VisualBasic.Strings.InStrRev(url, "/", url.Length - 1, Microsoft.VisualBasic.CompareMethod.Text));
                url += "DispForm.aspx?ID=" + item.ID.ToString();
                DRow[0] = "<a href='" + url + "'>" + item.DisplayName + "</a>";
                DRow[1] = "<a href='" + item.ParentList.DefaultViewUrl.ToString() + "'>" + item.ParentList.Title + "</a>";
                DRow[2] = "<img src='/_layouts/images/" + item.File.IconUrl.ToString() + "'>";
                // = item.File.IconUrl.ToString() ;
 
                for (RowCount = 0; RowCount <= ListColumns.Count - 1; RowCount++)
                {
                    string FieldName = ListColumns[RowCount].ToString();
                    string LongField = string.Empty;
                    if (item[FieldName] != null)
                    {
                        LongField = item[FieldName].ToString();
                    }
 
                    if (LongField.Contains("#"))
                    {
                        DRow[RowCount + 3] = LongField.Substring(3);
                    }
                    else
                    {
                        DRow[RowCount + 3] = item[FieldName];
                    }
                }
                dt.Rows.Add(DRow);
 
            }
            ds.Tables.Add(dt);
            grid.DataSource = ds.Tables["Table1"].DefaultView;
            grid.DataBind();
 
        }
        
        private void GetTableColumn()
        {
            DataColumn DColumn1 = new DataColumn();
            DataColumn DColumn2 = new DataColumn();
            DataColumn col2 = new DataColumn();
            DColumn2.ColumnName = "Title";
            dt.Columns.Add(DColumn2);
            DColumn1.ColumnName = "Name";
            dt.Columns.Add(DColumn1);
            col2.ColumnName = "Type";
            dt.Columns.Add(col2);
 
 
            for (ColumnCount = 0; ColumnCount <= ArrayListfields.Count - 1; ColumnCount++)
            {
                DataColumn Column = new DataColumn();
                Column.ColumnName = ArrayListfields[ColumnCount].ToString();
                dt.Columns.Add(Column);
            }
        }
        
        private System.Collections.ArrayList GetListColumns()
        {
            
            ArrayListfields.Clear();
            foreach (string LFields in (string[])this.ListFields.Split(char.Parse(";")))
            {
                try
                {
                    if (LFields != string.Empty)
                    {
                        ArrayListfields.Add(LFields);
                    }
                }
                catch (Exception ex)
                {
                    throw new ApplicationException("There was an exception processing the list fields.<br>" + ex.ToString());
                }
            }
            GetTableColumn();
            return ArrayListfields;
        }
 
    }
 
    
}
[+][-]12.23.2007 at 08:36PM PST, ID: 20523536

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[+][-]12.24.2007 at 08:52AM PST, ID: 20525196

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[+][-]12.27.2007 at 11:21AM PST, ID: 20536271

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About this solution

Zone: MOSS-Sharepoint
Tags: Sharepoint 2007, IE
Sign Up Now!
Solution Provided By: tedbilly
Participating Experts: 1
Solution Grade: A
 
 
[+][-]09.04.2008 at 02:28PM PDT, ID: 22392896

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[+][-]09.09.2008 at 08:11PM PDT, ID: 22434582

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