public void CleanFooter()
{
System.Web.UI.WebControls.DataGridColumnCollection columns = gridHandler.DataGrid.Columns;
for (int i = 0, j = columns.Count; i < j; i++)
{
columns[i].FooterText = String.Empty;
}
}
protected override void CreateControlHierarchy(bool useDataSource)
{
IEnumerator pageSourceEnumerator;
int itemCount;
ArrayList dataKeys;
ArrayList columns;
IEnumerable resolvedDS;
ICollection collResolvedDS;
int pageDSCount;
int colCount;
DataGridColumn[] cols;
Table deployTable;
TableRowCollection deployRows;
ListItemType deployType;
int indexCounter;
string dkField;
bool dsUse;
bool pgEnabled;
int editIndex;
int selIndex;
pagedDataSource = CreatePagedDataSource();
pageSourceEnumerator = null;
itemCount = -1;
dataKeys = DataKeysArray;
columns = null;
if(itemsArrayList != null)
{
itemsArrayList.Clear();
} else
{
itemsArrayList = new ArrayList();
}
if(!useDataSource)
{
itemCount = (int) ViewState["_!ItemCount"];
pageDSCount = (int) ViewState["_!DataSource_ItemCount"];
if(itemCount != -1)
{
if(pagedDataSource.IsCustomPagingEnabled)
{
pagedDataSource.DataSource = new DataSourceInternal(itemCount);
} else
{
pagedDataSource.DataSource = new DataSourceInternal(pageDSCount);
}
pageSourceEnumerator = pagedDataSource.GetEnumerator();
columns = CreateColumnSet(null, false);
itemsArrayList.Capacity = itemCount;
}
} else
{
dataKeys.Clear();
resolvedDS = GetResolvedDataSource ();
if(resolvedDS != null)
{
collResolvedDS = resolvedDS as ICollection;
if(pagedDataSource.IsPagingEnabled && !pagedDataSource.IsCustomPagingEnabled
&& collResolvedDS == null)
{
throw new HttpException(HttpRuntime.FormatResourceString("DataGrid_Missing_VirtualItemCount", ID));
}
pagedDataSource.DataSource = resolvedDS;
if(pagedDataSource.IsPagingEnabled && (pagedDataSource.CurrentPageIndex < 0 ||
pagedDataSource.PageCount < pagedDataSource.CurrentPageIndex))
{
throw new HttpException(HttpRuntime.FormatResourceString("DataGrid_Invalid_Current_PageIndex", ID));
}
columns = CreateColumnSet(pagedDataSource, useDataSource);
if(storedDataValid)
{
pageSourceEnumerator = storedData;
} else
{
pageSourceEnumerator = pagedDataSource.GetEnumerator();
}
if(collResolvedDS != null)
{
pageDSCount = pagedDataSource.Count;
dataKeys.Capacity = pageDSCount;
itemsArrayList.Capacity = pageDSCount;
}
}
}
colCount = 0;
if(columns != null)
colCount = columns.Count;
int currentSourceIndex;
if(colCount > 0)
{
cols = (DataGridColumn []) columns.ToArray (typeof (DataGridColumn));
foreach(DataGridColumn current in cols)
{
current.Initialize();
}
deployTable = new DataGridTableInternal();
Controls.Add(deployTable);
deployRows = deployTable.Rows;
indexCounter = 0;
currentSourceIndex = 0;
dkField = DataKeyField;
dsUse = (useDataSource) ? (dkField.Length > 0) : false;
pgEnabled = pagedDataSource.IsPagingEnabled;
editIndex = EditItemIndex;
selIndex = SelectedIndex;
if(pgEnabled)
{
currentSourceIndex = pagedDataSource.FirstIndexInPage;
CreateItem(-1, -1, ListItemType.Pager, false, null,
cols, deployRows, pagedDataSource);
}
itemCount = 0;
CreateItem(-1, -1, ListItemType.Header, useDataSource, null,
cols, deployRows, null);
if(storedDataValid && storedDataFirst != null)
{
if(dsUse)
{
dataKeys.Add(DataBinder.GetPropertyValue(storedDataFirst, dkField));
}
if (indexCounter == editIndex) {
deployType = ListItemType.EditItem;
} else if (indexCounter == selIndex) {
deployType = ListItemType.SelectedItem;
} else {
deployType = ListItemType.Item;
}
itemsArrayList.Add(CreateItem(0, currentSourceIndex, deployType,
useDataSource, storedDataFirst,
cols, deployRows, null));
itemCount++;
indexCounter++;
currentSourceIndex++;
storedDataValid = false;
storedDataFirst = null;
}
while(pageSourceEnumerator.MoveNext())
{
object current = pageSourceEnumerator.Current;
if(dsUse)
{
dataKeys.Add(DataBinder.GetPropertyValue(current, dkField));
}
if (indexCounter == editIndex) {
deployType = ListItemType.EditItem;
} else if (indexCounter == selIndex) {
deployType = ListItemType.SelectedItem;
} else if ((indexCounter % 2) == 1) {
deployType = ListItemType.AlternatingItem;
} else {
deployType = ListItemType.Item;
}
itemsArrayList.Add(CreateItem(indexCounter, currentSourceIndex,
deployType, useDataSource, current,
cols, deployRows, null));
itemCount++;
indexCounter++;
currentSourceIndex++;
}
CreateItem(-1, -1, ListItemType.Footer, useDataSource, null,
cols, deployRows, null);
if(pgEnabled)
{
CreateItem(-1, -1, ListItemType.Pager, false, null, cols, deployRows,
pagedDataSource);
}
}
if(useDataSource)
{
if(pageSourceEnumerator != null)
{
ViewState["_!ItemCount"] = itemCount;
if(pagedDataSource.IsPagingEnabled)
{
ViewState["PageCount"] = pagedDataSource.PageCount;
ViewState["_!DataSource_ItemCount"] = pagedDataSource.DataSourceCount;
} else
{
ViewState["PageCount"] = 1;
ViewState["_!DataSource_ItemCount"] = itemCount;
}
} else
{
ViewState["_!ItemCount"] = -1;
ViewState["_!DataSource_ItemCount"] = -1;
ViewState["PageCount"] = 0;
}
}
pagedDataSource = null;
}
