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|
//page load
if (!IsPostBack)
{
ChargerGrid();
}
private DataTable GetData()
{
#region Requête CAML sur la liste des projets
SPQuery objSPQuery = new SPQuery();
objSPQuery.ViewFields =
@"
<FieldRef Name='ID' />
<FieldRef Name='NomProjet' />
<FieldRef Name='ChefDeProjet' />
<FieldRef Name='DateDebut' />
<FieldRef Name='DateFinProjet' />";
objSPQuery.Query =
@" <OrderBy>
<FieldRef Name='DateDebut' Ascending='False' />
</OrderBy>";
objSPListItemCollection = objSPList.GetItems(objSPQuery);
#endregion
#region Affecter la valeur de la requête au grid
DataTable datatable = objSPListItemCollection.GetDataTable();
#endregion
return datatable;
}
public void ChargerGrid()
{
try
{
GVProjet.DataSource = GetData();
GVProjet.DataBind();
}
catch (Exception E)
{
LblErreur.Text = E.Message;
}
}
private string GridViewSortDirection
{
get { return ViewState["SortDirection"] as string ?? "ASC"; }
set { ViewState["SortDirection"] = value; }
}
private string GridViewSortExpression
{
get { return ViewState["SortExpression"] as string ?? string.Empty; }
set { ViewState["SortExpression"] = value; }
}
private string GetSortDirection()
{
switch (GridViewSortDirection)
{
case "ASC":
GridViewSortDirection = "DESC";
break;
case "DESC":
GridViewSortDirection = "ASC";
break;
}
return GridViewSortDirection;
}
protected DataView SortDataTable(DataTable dataTable, bool isPageIndexChanging)
{
if (dataTable != null)
{
DataView dataView = new DataView(dataTable);
if (GridViewSortExpression != string.Empty)
{
if (isPageIndexChanging)
{
dataView.Sort = string.Format("{0} {1}", GridViewSortExpression, GridViewSortDirection);
}
else
{
dataView.Sort = string.Format("{0} {1}", GridViewSortExpression, GetSortDirection());
}
}
return dataView;
}
else
{
return new DataView();
}
}
protected void GVProjet_Sorting(object sender, GridViewSortEventArgs e)
{
GridViewSortExpression = e.SortExpression;
int pageIndex = GVProjet.PageIndex;
//DataTable table = (DataTable)Session["datatable"];
GVProjet.DataSource = SortDataTable(GetData() as DataTable, false);
GVProjet.DataBind();
GVProjet.PageIndex = pageIndex;
} |
