GridView分页系列

GridView分页系列
1：GridView自带分页：GridView自带的分页，是假分页，他每次从数据库把数据全部查询出之后，通过分页的算法，进行按每页数量进行分页。

分页的属性元素：分页功能的实现就是通过对这些属性元素的操作实现的。

//this.GvShow.PageIndex 当前页的索引
//this.GvShow.PageCount 总共的页数
//this.GvShow.Rows.Count 当前页签内的gridview的行数
//this.GvShow.PageSize 每页的记录数
//this.GvShow.PageIndex*this.GvShow.rows.count + 1 行索引
设置普通的GridView分页：属性AllowPaging="True"、PageSize="2"设置分页事件onpageindexchanging="GvShow_PageIndexChanging"
后台方法绑定：
protected void GvShow_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
this.GvShow.PageIndex = e.NewPageIndex;
BindView();
}
2：自定义样式的GridView自带分页：
普通的GridView自带的分页，不带样式，只是普通的1,2,3等，如果希望获取到具有其他分页样式就应该设置<PagerSettings Position="TopAndBottom"PageButtonCount="1"/>属性
<%--FirstPageText="首页" LastPageText="尾页" NextPageText="下一页" PreviousPageText="上一页"--%>
后台访问此属性的实例：
this.GvShow.PagerSettings.FirstPageText = "首页";
stPageText = "尾页";
this.GvShow.PagerSettings.NextPageText = "下一页";
this.GvShow.PagerSettings.PreviousPageText = "上一页";
this.GvShow.PagerSettings.Mode = PagerButtons.NextPreviousFirstLast;
通过<PagerStyle HorizontalAlign="Center" VerticalAlign="Middle" />属性可以设置GRIDVIEW分页的样式
3：在<PagerTemplate></PagerTemplate>分页模板中自定义分页的样式，虽然微软开辟了这个模板提供给用户类似于自定义分页的功能，但这个功能完全还是基于微软的GridView自带的分页进行的，<PagerSettings>属性的Visable的属性必须是true AllowPaging="true" 与PageSize="3"属性页都要进行相关的有效设置才可以。

这种情况下的分页可以不使用onpageindexchanging="GvShow_PageIndexChanging"微软自带的分页事件，开发自己独立的分页事件与方法即可
范例：
前台代码：
<asp:GridView id="GvShow"runat="server"Width="910px"BorderColor="#687BC4"
BorderWidth="1px"PageSize="3"
CellPadding="1"HorizontalAlign="Center"BorderStyle="None"
AllowPaging="true"
AutoGenerateColumns="False"onpageindexchanging="GvShow_PageIndexChanging"
onrowdatabound="GvShow_RowDataBound"Height="132px"
onrowcommand="GvShow_RowCommand">
<SelectedRowStyle ForeColor="#FFFF99"
BackColor="#FFFF99"></SelectedRowStyle>
<AlternatingRowStyle BackColor="#EEF2F1"></AlternatingRowStyle>
<RowStyle BackColor="White"Height="24"></RowStyle>
<HeaderStyle Wrap="False"HorizontalAlign="Center"Height="24px" ForeColor="Black"VerticalAlign="Middle"
BackColor="#BFD5FA"></HeaderStyle>
<%--<PagerSettings Position="TopAndBottom" />--%>
<%--FirstPageText="首页" LastPageText="尾页" NextPageText="下一页" PreviousPageText="上一页"--%>
<PagerStyle ForeColor="White"HorizontalAlign="Center"
BackColor="ActiveBorder"Font-Underline="false"/>
<Columns>
<asp:TemplateField HeaderText="省份">
<ItemStyle HorizontalAlign="Center"
VerticalAlign="Middle"></ItemStyle>
<ItemTemplate>
<asp:Label ID="lblRegionName"runat="server"
Text='<%#Eval("rname") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="城市">
<ItemStyle HorizontalAlign="Center"
VerticalAlign="Middle"></ItemStyle>
<ItemTemplate>
<asp:Label ID="lblCityName"runat="server"
Text='<%#Eval("cname") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="用户名">
<ItemStyle HorizontalAlign="Center"
VerticalAlign="Middle"></ItemStyle>
<ItemTemplate>
<asp:Label ID="lblUserName"runat="server"
Text='<%#Eval("username") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<PagerTemplate>
<table cellSpacing="0"cellPadding="0"width="100%"
align="center"border="0">
<tr>
<td vAlign="middle"align="center">『<asp:linkbutton id="cmdbegin"runat="server"CommandName="begin">首页</asp:linkbutton>』
『<asp:linkbutton id="cmdbefore"runat="server" CommandName="before">上一页</asp:linkbutton>』
『<asp:linkbutton id="cmdafter"runat="server" CommandName="after">下一页</asp:linkbutton>』
『<asp:linkbutton id="cmdend"runat="server" CommandName="end">尾页</asp:linkbutton>』
</td>
<td vAlign="middle"align="center">页次：<asp:label id="txtNowPage"runat="server"ForeColor="red">0</asp:label>/<asp:label id="txtAllPage"
runat="server"ForeColor="red">0</asp:label>页&nbsp;
共<asp:label id="txtTotal"runat="server" ForeColor="red">0</asp:label>条记录&nbsp;
<asp:label id="txtNowRed"runat="server" ForeColor="red">0</asp:label>条记录/页
</td>
<td vAlign="top"align="center"><asp:checkbox
id="cmdCheck"runat="server"Text="显示数字按钮"AutoPostBack="True"
oncheckedchanged="cmdCheck_CheckedChanged"></asp:checkbox></td>
</tr>
</table>
</PagerTemplate>
</asp:GridView>
后台代码：
namespace GridViewDemo.GridView分页系列
{
public partial class GridView自定义分页02 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindView();
InitButtons();
}
}
private void BindView()
{
DataTable dt = UserDemoAccess.GetUserSouce();
ViewState["RowCounts"] = dt.Rows.Count.ToString();
this.GvShow.DataSource = dt;;
this.GvShow.DataBind();
}
protected void GvShow_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
this.GvShow.PageIndex = e.NewPageIndex;
BindView();
InitButtons();
}
protected void GvShow_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
e.Row.Attributes.Add("onmouseover",
"this.setAttribute('BKC',this.style.backgroundColor);this.style.cursor='default',this.style. backgroundColor='#ffff99'");
e.Row.Attributes.Add("onmouseout",
"this.style.backgroundColor=this.getAttribute('BKC');");
}
//if(e.Row.RowType == DataControlRowType.Pager)
//{
// GridViewRow gr = e.Row;
// //页次 -- 第几页
// Label txtNowPage = gr.FindControl("txtNowPage") as Label;
// //总页数
// Label txtAllPage = gr.FindControl("txtAllPage") as Label;
// //总记录数
// Label txtTotal = gr.FindControl("txtTotal") as Label;
// //条记录/页
// Label txtNowRed = gr.FindControl("txtNowRed") as Label;
// txtNowPage.Text = (this.GvShow.PageIndex+1).ToString();
// txtAllPage.Text = this.GvShow.PageCount.ToString();
// txtTotal.Text = ViewState["RowCounts"].ToString();
// txtNowRed.Text = this.GvShow.PageSize.ToString();
//}
}
protected void cmdCheck_CheckedChanged(object sender, EventArgs e)
{
//CheckBox cmdCheck = this.GvShow.BottomPagerRow.FindControl("cmdCheck") as CheckBox;
//if (cmdCheck.Checked)
//{
// this.GvShow.PagerSettings.Mode = PagerButtons.Numeric;
//}
}
protected void GvShow_RowCommand(object sender, GridViewCommandEventArgs e)
{
//控制页签
switch(mandName)
{
case"begin":
this.GvShow.PageIndex = 0;
; break;
case"before":
if(this.GvShow.PageIndex > 0)
{
this.GvShow.PageIndex -= 1;
}
; break;
case"after":
if(this.GvShow.PageIndex < this.GvShow.PageCount - 1)
{
this.GvShow.PageIndex += 1;
}
; break;
case"end":
this.GvShow.PageIndex = this.GvShow.PageCount-1;
; break;
}
//控制按钮
InitButtons();
}
private void InitButtons()
{
//获取gridviewrows的PagerTemplate底部模板
GridViewRow gr = this.GvShow.BottomPagerRow;
LinkButton cmdbegin = gr.FindControl("cmdbegin") as LinkButton;
LinkButton cmdbefore = gr.FindControl("cmdbefore") as LinkButton;
LinkButton cmdafter = gr.FindControl("cmdafter") as LinkButton;
LinkButton cmdend = gr.FindControl("cmdend") as LinkButton;
//页次 -- 第几页
Label txtNowPage = gr.FindControl("txtNowPage") as Label;
//总页数
Label txtAllPage = gr.FindControl("txtAllPage") as Label;
//总记录数
Label txtTotal = gr.FindControl("txtTotal") as Label;
//条记录/页
Label txtNowRed = gr.FindControl("txtNowRed") as Label;
txtNowPage.Text = (this.GvShow.PageIndex + 1).ToString();
txtAllPage.Text = this.GvShow.PageCount.ToString();
txtTotal.Text = ViewState["RowCounts"].ToString();
txtNowRed.Text = this.GvShow.PageSize.ToString();
cmdbegin.Enabled = false;
cmdbefore.Enabled = false;
cmdafter.Enabled = false;
cmdend.Enabled = false;
if(this.GvShow.PageCount > 1)
{
cmdbegin.Enabled = true;
cmdbefore.Enabled = true;
cmdafter.Enabled = true;
cmdend.Enabled = true;
if(this.GvShow.PageIndex == 0)
{
cmdbegin.Enabled = false;
cmdbefore.Enabled = false;
}else if(this.GvShow.PageIndex == this.GvShow.PageCount-1)
{
cmdafter.Enabled = false;
cmdend.Enabled = false;
}
}
}
}
}
此外还可以不利用GridView自带的分页模板标记<PagerTemplate></PagerTemplate>可以在GridView的外部构造一个talbe与gridview对应，这样更加灵活，也应用于div中的GridView。

前台代码：
<table id="tablePager"runat="server"cellSpacing="0"cellPadding="0"width="100%"
align="center"border="0">
<tr>
<td vAlign="middle"align="center">『<asp:linkbutton
id="cmdbegin"runat="server"CommandName="begin"OnCommand="PagerButton_Command">首页
</asp:linkbutton>』
『<asp:linkbutton id="cmdbefore"runat="server" CommandName="before"OnCommand="PagerButton_Command">上一页</asp:linkbutton>』
『<asp:linkbutton id="cmdafter"runat="server" CommandName="after"OnCommand="PagerButton_Command">下一页</asp:linkbutton>』
『<asp:linkbutton id="cmdend"runat="server" CommandName="end"OnCommand="PagerButton_Command">尾页</asp:linkbutton>』
</td>
<td vAlign="middle"align="center">页次：<asp:label
id="txtNowPage"runat="server"ForeColor="red">0</asp:label>/<asp:label id="txtAllPage"
runat="server"ForeColor="red">0</asp:label>页&nbsp;
共<asp:label id="txtTotal"runat="server" ForeColor="red">0</asp:label>条记录&nbsp;
<asp:label id="txtNowRed"runat="server" ForeColor="red">0</asp:label>条记录/页
</td>
<td vAlign="top"align="center"><asp:checkbox
id="cmdCheck"runat="server"Text="显示数字按钮"AutoPostBack="True"
oncheckedchanged="cmdCheck_CheckedChanged"></asp:checkbox></td>
</tr>
</table>
这俩种方式的区别在于：适用内部的分页模板标记，在触发事件后，不用重新绑定GridView，这个是由GridView内部的分页机制自动完成的，而采用外部构造的方式，在执行完之后，必须重新绑定gridview，
因为这个时候的pageIndex等信息已经变化，需要重新进行绑定。

后台代码：
protected void PagerButton_Command(object sender, mandEventArgs e)
{
switch (mandName)
{
case"begin":
this.GvShow.PageIndex = 0;
; break;
case"before":
if (this.GvShow.PageIndex > 0)
{
this.GvShow.PageIndex -= 1;
}
; break;
case"after":
if (this.GvShow.PageIndex < this.GvShow.PageCount - 1)
{
this.GvShow.PageIndex += 1;
}
; break;
case"end":
this.GvShow.PageIndex = this.GvShow.PageCount - 1;
; break;
}
//在设置完页签后，将数据源重新绑定到GridView中
BindView();
InitButtons();
}
一个很好样式的假分页，功能齐全：
前台页面:
<table>
<tr>
<td>
<asp:GridView id="GvShow"runat="server"Width="910px"
BorderColor="#687BC4"
BorderWidth="1px"PageSize="3"
CellPadding="1"HorizontalAlign="Center"BorderStyle="None" AllowPaging="true"
AutoGenerateColumns="False"
onrowdatabound="GvShow_RowDataBound"Height="132px">
<SelectedRowStyle ForeColor="#FFFF99"
BackColor="#FFFF99"></SelectedRowStyle>
<AlternatingRowStyle BackColor="#EEF2F1"></AlternatingRowStyle>
<RowStyle BackColor="White"Height="24"></RowStyle>
<HeaderStyle Wrap="False"HorizontalAlign="Center"Height="24px" ForeColor="Black"VerticalAlign="Middle"
BackColor="#BFD5FA"></HeaderStyle>
<PagerStyle ForeColor="White"HorizontalAlign="Center"
BackColor="ActiveBorder"Font-Underline="false"/>
<PagerSettings Mode="Numeric"Position="Bottom"
Visible="false"/>
<Columns>
<asp:TemplateField HeaderText="省份">
<ItemStyle HorizontalAlign="Center"
VerticalAlign="Middle"></ItemStyle>
<ItemTemplate>
<asp:Label ID="lblRegionName"runat="server"
Text='<%#Eval("rname") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="城市">
<ItemStyle HorizontalAlign="Center"
VerticalAlign="Middle"></ItemStyle>
<ItemTemplate>
<asp:Label ID="lblCityName"runat="server"
Text='<%#Eval("cname") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="用户名">
<ItemStyle HorizontalAlign="Center"
VerticalAlign="Middle"></ItemStyle>
<ItemTemplate>
<asp:Label ID="lblUserName"runat="server"
Text='<%#Eval("username") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</td>
</tr>
<tr>
<td>
<table id="tablePager"runat="server"cellSpacing="0"cellPadding="0" width="100%"align="center"border="0">
<tr>
<td vAlign="middle"align="center">『<asp:linkbutton
id="cmdbegin"runat="server"CommandName="begin"OnCommand="PagerButton_Command">首页
</asp:linkbutton>』
『<asp:linkbutton id="cmdbefore"runat="server" CommandName="before"OnCommand="PagerButton_Command">上一页</asp:linkbutton>』
『<asp:linkbutton id="cmdafter"runat="server" CommandName="after"OnCommand="PagerButton_Command">下一页</asp:linkbutton>』
『<asp:linkbutton id="cmdend"runat="server" CommandName="end"OnCommand="PagerButton_Command">尾页</asp:linkbutton>』
</td>
<td vAlign="middle"align="center">页次：<asp:label id="txtNowPage"runat="server"ForeColor="red">0</asp:label>/<asp:label id="txtAllPage"
runat="server"ForeColor="red">0</asp:label>页&nbsp;
共<asp:label id="txtTotal"runat="server" ForeColor="red">0</asp:label>条记录&nbsp;
<asp:label id="txtNowRed"runat="server" ForeColor="red">0</asp:label>条记录/页
</td>
<td>
<asp:LinkButton ID="lbtnTurnNewPage"
runat="server"Text="跳转"
onclick="lbtnTurnNewPage_Click"></asp:LinkButton>
<asp:TextBox ID="txtTurn"runat="server"
Width="20"Height="20"></asp:TextBox>
</td>
<td>
<asp:DropDownList ID="drpPageNumbers"
runat="server"AutoPostBack="true"
onselectedindexchanged="drpPageNumbers_SelectedIndexChanged">
</asp:DropDownList>
</td>
</tr>
</table>
</td>
</tr>
</table>
后台页面：
namespace GridViewDemo.GridView分页系列
{
public partial class GridView自定义分页04 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindView();
InitButtons();
InitDrp();
}
}
private void BindView()
{
DataTable dt = UserDemoAccess.GetUserSouce();
ViewState["PageCount"] = dt.Rows.Count.ToString();
this.GvShow.DataSource = dt; ;
this.GvShow.DataBind();
}
protected void GvShow_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
e.Row.Attributes.Add("onmouseover",
"this.setAttribute('BKC',this.style.backgroundColor);this.style.cursor='default',this.style. backgroundColor='#ffff99'");
e.Row.Attributes.Add("onmouseout",
"this.style.backgroundColor=this.getAttribute('BKC');");
}
}
protected void PagerButton_Command(object sender,
mandEventArgs e)
{
switch (mandName)
{
case"begin":
this.GvShow.PageIndex = 0;
; break;
case"before":
if (this.GvShow.PageIndex > 0)
{
this.GvShow.PageIndex -= 1;
}
; break;
case"after":
if (this.GvShow.PageIndex < this.GvShow.PageCount - 1) {
this.GvShow.PageIndex += 1;
}
; break;
case"end":
this.GvShow.PageIndex = this.GvShow.PageCount - 1;
; break;
}
BindView();
InitButtons();
}
private void InitButtons()
{
txtNowPage.Text = (this.GvShow.PageIndex + 1).ToString();
txtAllPage.Text = this.GvShow.PageCount.ToString();
txtTotal.Text = ViewState["PageCount"].ToString();
txtNowRed.Text = this.GvShow.PageSize.ToString();
this.cmdbegin.Enabled = false;
this.cmdbefore.Enabled = false;
this.cmdafter.Enabled = false;
this.cmdend.Enabled = false;
if (this.GvShow.PageCount > 1)
{
this.cmdbegin.Enabled = true;
this.cmdbefore.Enabled = true;
this.cmdafter.Enabled = true;
this.cmdend.Enabled = true;
if (this.GvShow.PageIndex == 0)
{
this.cmdbegin.Enabled = false;
this.cmdbefore.Enabled = false;
}
else if (this.GvShow.PageIndex == this.GvShow.PageCount - 1) {
this.cmdafter.Enabled = false;
this.cmdend.Enabled = false;
}
}
}
protected void lbtnTurnNewPage_Click(object sender, EventArgs e)
{
try
{
int pageIndexNumber = Convert.ToInt32(this.txtTurn.Text.Trim());
if (pageIndexNumber > this.GvShow.PageCount)
{
Response.Write("越界！");
return;
}
else if (pageIndexNumber <= 0)
{
Response.Write("负数不灵！");
return;
}
this.GvShow.PageIndex = pageIndexNumber-1;
BindView();
InitButtons();
}
catch
{
Response.Write("请输入数字！");
return;
}
}
#region下拉列表分页跳转
protected void drpPageNumbers_SelectedIndexChanged(object sender, EventArgs e) {
DropDownList drpPageNumbers = (DropDownList)sender;
//改变GridView的页签
this.GvShow.PageIndex = Convert.ToInt32(ControlDrp);
//页签改变后，重新绑定
BindView();
InitButtons();
}
private void InitDrp()
{
this.drpPageNumbers.Items.Clear();
for (int i = 0; i <this.GvShow.PageCount;i++ )
{
this.drpPageNumbers.Items.Add(new ListItem((i+1).ToString(), i.ToString())); }
}
private String ControlDrp
{
set
{
this.drpPageNumbers.SelectedValue = value;
}
get
{
return this.drpPageNumbers.SelectedValue;
}
}
#endregion
}
}
一个利用<PagerTemplate> </PagerTemplate>模板实现的假分页实例：（可以在绑定的时候加入dropdownlist的页面选择）
前台页面：
<asp:GridView id="GvShow"runat="server"Width="910px"BorderColor="#687BC4"
BorderWidth="1px"PageSize="3"
CellPadding="1"HorizontalAlign="Center"BorderStyle="None" AllowPaging="true"
AutoGenerateColumns="False"
onrowdatabound="GvShow_RowDataBound"Height="132px"
onpageindexchanging="GvShow_PageIndexChanging">
<SelectedRowStyle ForeColor="#FFFF99"
BackColor="#FFFF99"></SelectedRowStyle>
<AlternatingRowStyle BackColor="#EEF2F1"></AlternatingRowStyle>
<RowStyle BackColor="White"Height="24"></RowStyle>
<HeaderStyle Wrap="False"HorizontalAlign="Center"Height="24px" ForeColor="Black"VerticalAlign="Middle"
BackColor="#BFD5FA"></HeaderStyle>
<PagerStyle ForeColor="Blue"HorizontalAlign="Center"
BackColor="ActiveBorder"Font-Underline="false"/>
<Columns>
<asp:TemplateField HeaderText="省份">
<ItemStyle HorizontalAlign="Center"
VerticalAlign="Middle"></ItemStyle>
<ItemTemplate>
<asp:Label ID="lblRegionName"runat="server"
Text='<%#Eval("rname") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="城市">
<ItemStyle HorizontalAlign="Center"
VerticalAlign="Middle"></ItemStyle>
<ItemTemplate>
<asp:Label ID="lblCityName"runat="server"
Text='<%#Eval("cname") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="用户名">
<ItemStyle HorizontalAlign="Center"
VerticalAlign="Middle"></ItemStyle>
<ItemTemplate>
<asp:Label ID="lblUserName"runat="server"
Text='<%#Eval("username") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<PagerTemplate>
<table align="right"bgcolor="#e9e9e9"width="100%">
<tr>
<td style="text-align: right">
[第<b><asp:Label ID="lblPageIndex"runat="server" Text="<%#((GridView)Container.Parent.Parent).PageIndex + 1 %>"></asp:Label></b>页]
[共<b><asp:Label ID="lblPageCount"runat="server" Text="<%# ((GridView)Container.Parent.Parent).PageCount %>"></asp:Label></b>页]
<asp:LinkButton ID="btnFirst"runat="server" CausesValidation="False"CommandArgument="First"
CommandName="Page"Enabled="<%# ((GridView)Container.NamingContainer).PageIndex != 0 %>"
Text="首页"></asp:LinkButton>
<asp:LinkButton ID="btnPrev"runat="server" CausesValidation="False"CommandArgument="Prev"
CommandName="Page"Enabled=" <%# ((GridView)Container.NamingContainer).PageIndex != 0 %>"
Text="上一页"></asp:LinkButton>
<asp:LinkButton ID="btnNext"runat="server" CausesValidation="False"CommandArgument="Next"
CommandName="Page"Enabled=" <%# ((GridView)Container.NamingContainer).PageIndex !=
((GridView)Container.NamingContainer).PageCount - 1 %>"
Text="下一页"></asp:LinkButton>
<asp:LinkButton ID="btnLast"runat="server" CausesValidation="False"CommandArgument="Last"
CommandName="Page"Enabled=" <%# ((GridView)Container.NamingContainer).PageIndex !=
((GridView)Container.NamingContainer).PageCount - 1 %>"
Text="尾页"></asp:LinkButton>
<asp:TextBox ID="txtNewPageIndex"runat="server" Text="<%# ((GridView)Container.Parent.Parent).PageIndex + 1%>"
Width="20px"></asp:TextBox>
<asp:LinkButton ID="btnGo"runat="server" CausesValidation="false"CommandArgument="-1"
CommandName="Page"Text="GO"></asp:LinkButton>
</td>
</tr>
</table>
</PagerTemplate>
</asp:GridView>
namespace GridViewDemo.GridView分页系列
{
public partial class GridView自定义分页05 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindView();
}
}
private void BindView()
{
DataTable dt = UserDemoAccess.GetUserSouce();
this.GvShow.DataSource = dt; ;
this.GvShow.DataBind();
}
protected void GvShow_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
e.Row.Attributes.Add("onmouseover",
"this.setAttribute('BKC',this.style.backgroundColor);this.style.cursor='default',this.style.
backgroundColor='#ffff99'");
e.Row.Attributes.Add("onmouseout",
"this.style.backgroundColor=this.getAttribute('BKC');");
}
}
protected void GvShow_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridViewRow gr = this.GvShow.BottomPagerRow;
TextBox txtNewPageIndex = gr.FindControl("txtNewPageIndex") as TextBox;
string content = CheckPageIndex();
if (content != string.Empty)
{
Show(this, content);
//如果发现异常，则重新将文本框中的值，置换成当前页签的！
txtNewPageIndex.Text = (this.GvShow.PageIndex+1).ToString();
return;
}//NewPageIndex 本页跳转点击go的时候，为-2，增加一个处理！微软自带分页中，选中页签当前页无法再点击
//此时的e.NewPageIndex默认为-2
else if (e.NewPageIndex < 0)
{
int pageIndexTemp = Convert.ToInt32(txtNewPageIndex.Text) - 1;
this.GvShow.PageIndex = pageIndexTemp;
BindView();
return;
}
this.GvShow.PageIndex = e.NewPageIndex;
BindView();
}
//protected void LinkTurn_Command(object
sender,mandEventArgs e)
//{
// if (mandArgument.ToString() == "-1")
// {
// GridViewRow gr = this.GvShow.BottomPagerRow;
// TextBox txtNewPageIndex = gr.FindControl("txtNewPageIndex") as TextBox;
// try
// {
// int pageIndex = Convert.ToInt32(txtNewPageIndex.Text);
// string content = CheckPageIndex(pageIndex, "command");
// if ( content != string.Empty)
// {
// Show(this, content);
// return;
// }
// this.GvShow.PageIndex = pageIndex - 1;
// BindView();
// }
// catch
// {
// Show(this, "只能输入数字格式！");
// return;
// }
// }
//}
private string CheckPageIndex()
{
string cotent = string.Empty;
GridViewRow gr = this.GvShow.BottomPagerRow;
TextBox txtNewPageIndex = gr.FindControl("txtNewPageIndex") as TextBox;
try
{
int pageIndexTemp = Convert.ToInt32(txtNewPageIndex.Text);
if (pageIndexTemp <= 0 || pageIndexTemp > this.GvShow.PageCount)
{
cotent = "你越位了，朋友！";
}
}
catch
{
cotent = "请输入数字！";
}
return cotent;
}
public static void Show(System.Web.UI.Page page, string msg)
{
page.ClientScript.RegisterStartupScript(page.GetType(), "message", "<script。