69 lines
2.2 KiB
C#
69 lines
2.2 KiB
C#
using System;
|
|
using System.Data;
|
|
using System.Configuration;
|
|
using System.Collections;
|
|
using System.Collections.Specialized;
|
|
using System.Linq;
|
|
using System.Web;
|
|
using System.Web.Security;
|
|
using System.Web.UI;
|
|
using System.Web.UI.WebControls;
|
|
using System.Web.UI.WebControls.WebParts;
|
|
using System.Web.UI.HtmlControls;
|
|
using System.Xml.Linq;
|
|
using System.Web.DynamicData;
|
|
|
|
public partial class GridViewPager : System.Web.UI.UserControl {
|
|
private GridView _gridView;
|
|
|
|
protected void Page_Load(object sender, EventArgs e) {
|
|
Control c = Parent;
|
|
while (c != null) {
|
|
if (c is GridView) {
|
|
_gridView = (GridView)c;
|
|
break;
|
|
}
|
|
c = c.Parent;
|
|
}
|
|
}
|
|
|
|
protected void TextBoxPage_TextChanged(object sender, EventArgs e) {
|
|
if (_gridView == null) {
|
|
return;
|
|
}
|
|
int page;
|
|
if (int.TryParse(TextBoxPage.Text.Trim(), out page)) {
|
|
if (page <= 0) {
|
|
page = 1;
|
|
}
|
|
if (page > _gridView.PageCount) {
|
|
page = _gridView.PageCount;
|
|
}
|
|
_gridView.PageIndex = page - 1;
|
|
}
|
|
TextBoxPage.Text = (_gridView.PageIndex + 1).ToString();
|
|
}
|
|
|
|
protected void DropDownListPageSize_SelectedIndexChanged(object sender, EventArgs e) {
|
|
if (_gridView == null) {
|
|
return;
|
|
}
|
|
DropDownList dropdownlistpagersize = (DropDownList)sender;
|
|
_gridView.PageSize = Convert.ToInt32(dropdownlistpagersize.SelectedValue);
|
|
int pageindex = _gridView.PageIndex;
|
|
_gridView.DataBind();
|
|
if (_gridView.PageIndex != pageindex) {
|
|
//if page index changed it means the previous page was not valid and was adjusted. Rebind to fill control with adjusted page
|
|
_gridView.DataBind();
|
|
}
|
|
}
|
|
|
|
protected void Page_PreRender(object sender, EventArgs e) {
|
|
if (_gridView != null) {
|
|
LabelNumberOfPages.Text = _gridView.PageCount.ToString();
|
|
TextBoxPage.Text = (_gridView.PageIndex + 1).ToString();
|
|
DropDownListPageSize.SelectedValue = _gridView.PageSize.ToString();
|
|
}
|
|
}
|
|
}
|