前台代码:















发件人


标题


日期

BackColor="White" BorderColor="#CC9966" BorderWidth="1px" CellPadding="4"
DataKeyNames="id" HorizontalAlign="Center"
Width="100%" BorderStyle="None" ShowHeader="False" AllowPaging="True" OnDataBound="GridView1_DataBound">

border=0 align=middle />






DataTextField="title" HeaderText="标题" >

onClick="Button1_Click" /> 
onClick="Button2_Click" />



onClick="lnkbtnFrist_Click">首页
onClick="lnkbtnPre_Click">上一页

onClick="lnkbtnNext_Click">下一页
onClick="lnkbtnLast_Click">尾页
跳转到第
页

this.ddlCurrentPage.Items.Clear();
for (int i = 1; i <= this.GridView1.PageCount; i++)
{
this.ddlCurrentPage.Items.Add(i.ToString());
}
this.ddlCurrentPage.SelectedIndex = this.GridView1.PageIndex;
}
//全选checkbox
protected void Button1_Click(object sender, EventArgs e)
{
foreach (GridViewRow row in GridView1.Rows)
{
((CheckBox)row.Cells[0].FindControl("cb")).Checked = true;
}
}
//删除所选
protected void Button2_Click(object sender, EventArgs e)
{
for (int rowindex = 0; rowindex < this.GridView1.Rows.Count; rowindex++)
{
if (((CheckBox)this.GridView1.Rows[rowindex].Cells[0].FindControl("cb")).Checked == true)
{
//删除Convert.ToInt32(this.GridView1.DataKeys[rowindex].Value)
if (!opMail.ReceiveDelete(Convert.ToInt32(this.GridView1.DataKeys[rowindex].Value)))
{
base.MessageBox(string.Empty, opMail.strErrMsg);
}
}
}
DataBinds();
}
protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
this.GridView1.PageIndex = e.NewPageIndex;
DataBinds();
}
protected void cbAll_CheckedChanged(object sender, EventArgs e)
{
if (this.cbAll.Checked == true)
{
foreach (GridViewRow row in GridView1.Rows)
{
((CheckBox)row.Cells[0].FindControl("cb")).Checked = true;
}
}
else
{
foreach (GridViewRow row in GridView1.Rows)
{
((CheckBox)row.Cells[0].FindControl("cb")).Checked = false;
}
}
}
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
this.GridView1.PageIndex = this.ddlCurrentPage.SelectedIndex;
DataBinds();
}
protected void lnkbtnFrist_Click(object sender, EventArgs e)
{
this.GridView1.PageIndex = 0;
DataBinds();
}
protected void lnkbtnPre_Click(object sender, EventArgs e)
{
if (this.GridView1.PageIndex > 0)
{
this.GridView1.PageIndex = this.GridView1.PageIndex - 1;
DataBinds();
}
}
protected void lnkbtnNext_Click(object sender, EventArgs e)
{
if (this.GridView1.PageIndex < this.GridView1.PageCount)
{
this.GridView1.PageIndex = this.GridView1.PageIndex + 1;
DataBinds();
}
}
protected void lnkbtnLast_Click(object sender, EventArgs e)
{
this.GridView1.PageIndex = this.GridView1.PageCount;
DataBinds();
}
protected void GridView1_DataBound(object sender, EventArgs e)
{
this.lblCurrentPage.Text = string.Format("当前第{0}页/总共{1}页", this.GridView1.PageIndex + 1, this.GridView1.PageCount);
}

来源:cnblogs