//this function happens when a button in the datapager is pressed
protected void subPager(object sender, DataPagerCommandEventArgs e)
{
e.NewMaximumRows = e.Item.Pager.MaximumRows;
//switch statement that takes the button pressed by the user as the parameter
switch (e.CommandName)
{
case "Next":
if (e.Item.Pager.StartRowIndex + 3 < e.TotalRowCount)
{
e.NewStartRowIndex = e.Item.Pager.StartRowIndex + 3;
//_subRebind();
}
break;
case "Prev":
if (e.Item.Pager.StartRowIndex - 3 >= 0)
{
e.NewStartRowIndex = e.Item.Pager.StartRowIndex - 3;
//_subRebind();
}
break;
}
}
/// <summary>
/// 按下PagerTemplate樣板中的按鈕(第一頁/上一頁/下一頁/最末頁)後會觸發;
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void TemplatePagerField_OnPagerCommand(object sender, DataPagerCommandEventArgs e)
{
logger.Debug("TemplatePagerField_OnPagerCommand");
//取得總筆數;
TotalRowCount = _DataPager.TotalRowCount;
//取得PageSize;
PageSize = _DataPager.PageSize;
//取得CurrentIndex;
iCurrentIndex = e.Item.Pager.StartRowIndex;
//取得SortKey, SortDirection
ListViewSortKey = _ListView.SortExpression;
ListViewSortDirection = _ListView.SortDirection;
switch (e.CommandName)
{
case "FirstPage":
//取得第一頁;
PageNo = 0;
//導至新的Current頁面;
e.NewStartRowIndex = 0;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
case "PreviousPage":
//取得Previous頁面;
PageNo = (iCurrentIndex / PageSize) - 1;
//導至新的Current頁面;
e.NewStartRowIndex = PageNo * PageSize;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
case "NextPage":
//取得Next頁面;
PageNo = (iCurrentIndex / PageSize) + 1;
//導至新的Current頁面;
e.NewStartRowIndex = PageNo * PageSize;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
case "LastPage":
//取得最末頁(筆數可整除每頁筆數, 總頁數減1. 反之, 不減1);
if ((TotalRowCount % PageSize) == 0)
{
PageNo = (TotalRowCount / PageSize) - 1;
}
else
{
PageNo = (TotalRowCount / PageSize);
}
//導至新的Current頁面;
e.NewStartRowIndex = PageNo * PageSize;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
}
}
// protected void Button3_Click(object sender, EventArgs e)
// {
// string newWin = "window.open('" + txtRelatedLinksnew.Text.Trim() + "');";
////
// // ClientScript.RegisterStartupScript(this.GetType(), "pop", newWin, true);
// ClientScript.RegisterStartupScript(this.GetType(), "pop", String.Format("<script>window.open('{0}');</script>", "http://" + txtRelatedLinksnew.Text.Trim()));
// }
protected void PagerCommand(object sender, DataPagerCommandEventArgs e)
{
switch (e.CommandName)
{
case "Next":
// guard against going off the end of the list
e.NewStartRowIndex = Math.Min(e.Item.Pager.StartRowIndex + e.Item.Pager.MaximumRows, e.Item.Pager.TotalRowCount - e.Item.Pager.MaximumRows);
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
case "Previous":
// guard against going off the begining of the list
e.NewStartRowIndex = Math.Max(0, e.Item.Pager.StartRowIndex - e.Item.Pager.MaximumRows);
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
case "Last":
// the
e.NewStartRowIndex = e.Item.Pager.TotalRowCount - e.Item.Pager.MaximumRows;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
case "First":
default:
e.NewStartRowIndex = 0;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
}
}
protected void PagerCommand(object sender, DataPagerCommandEventArgs e)
{
// DataPager pager = e.Item.Pager;
// int newStartRowIndex;
switch (e.CommandName)
{
//case "Next":
// newStartRowIndex = pager.StartRowIndex + pager.MaximumRows > pager.TotalRowCount ? pager.StartRowIndex : pager.StartRowIndex + pager.MaximumRows;
// break;
//case "Previous":
// newStartRowIndex = pager.StartRowIndex - pager.MaximumRows < 0 ? pager.StartRowIndex : pager.StartRowIndex - pager.MaximumRows;
// break;
//case "Last":
// newStartRowIndex = (pager.TotalRowCount / pager.MaximumRows) * pager.MaximumRows;
// break;
//case "First":
//default:
// newStartRowIndex = 0;
// break;
case "Next":
// guard against going off the end of the list
e.NewStartRowIndex = Math.Min(e.Item.Pager.StartRowIndex + e.Item.Pager.MaximumRows, e.Item.Pager.TotalRowCount - e.Item.Pager.MaximumRows);
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
case "Previous":
// guard against going off the begining of the list
e.NewStartRowIndex = Math.Max(0, e.Item.Pager.StartRowIndex - e.Item.Pager.MaximumRows);
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
case "Last":
// the
e.NewStartRowIndex = e.Item.Pager.TotalRowCount - e.Item.Pager.MaximumRows;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
case "First":
default:
e.NewStartRowIndex = 0;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
}
// e.NewMaximumRows = e.Item.Pager.MaximumRows;
// e.NewStartRowIndex = newStartRowIndex;
}
protected void TemplateGoTo_OnPagerCommand(object sender, DataPagerCommandEventArgs e)
{
// Since there is only one Button control, we don't need
// to use "switch" or "if".
// Fetch the new pager number from the TextBox tbPagerNumber.
int iNewPage = Convert.ToInt32(((TextBox)e.Item.FindControl("tbPageNumber")).Text);
// Calculate the new index of the first row to display.
int iNewIndex = e.Item.Pager.PageSize * (iNewPage - 1);
// The new row index cannot be bigger than total row count
if (iNewIndex <= e.TotalRowCount)
{
e.NewStartRowIndex = iNewIndex;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
}
}
/// <summary>
/// The template pager field_ on pager command.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The e.
/// </param>
protected void TemplatePagerField_OnPagerCommand(object sender, DataPagerCommandEventArgs e)
{
// Check which button raised the event
switch (e.CommandName)
{
case "ShowAll":
if (e.Item.Pager.PageSize == Int32.MaxValue)
{
e.Item.Pager.SetPageProperties(0, CategoryPageSize, true);
}
else
{
e.Item.Pager.SetPageProperties(0, Int32.MaxValue, true);
}
break;
default:
break;
}
}
protected void TemplateNextPrevious_OnPagerCommand(object sender, DataPagerCommandEventArgs e)
{
// Check which LinkButton control raised the event.
// MaximumRows: The maximum number of records that are displayed
// for each page of data.
// StartRowIndex: The index of the first record that is displayed
// on a page of data.
// TotalRowCount: The total number of records that are available
// in the underlying data source.
switch (e.CommandName)
{
// "First" is clicked.
case "First":
// In this sample, the maximum number of records on
// each page is 10, which is the default page size.
// The first page shows the first 10 rows of the data
// source, whose row index start from 0.
e.NewStartRowIndex = 0;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
// "Previous" is clicked.
case "Previous":
// The previous page shows the following 10 rows of
// the current page.
e.NewStartRowIndex = e.Item.Pager.StartRowIndex - e.Item.Pager.PageSize;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
// "Next" is clicked.
case "Next":
// The next page shows 10 rows which start from the last
// row in current page.
int iNewIndex = e.Item.Pager.StartRowIndex + e.Item.Pager.PageSize;
// The new index of the first row to display cannot
// be bigger than total row count
if (iNewIndex <= e.TotalRowCount)
{
e.NewStartRowIndex = iNewIndex;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
}
break;
// "Last" is clicked.
case "Last":
// The last page shows the last rows of the data source,
// which are the remainders after total number is
// divided by page size.
e.NewStartRowIndex = e.TotalRowCount - e.TotalRowCount % e.Item.Pager.PageSize;
e.NewMaximumRows = e.Item.Pager.MaximumRows;
break;
}
}
