GridView 实现代码简单分页

 GridView 实现代码简单分页

1

<asp:GridView ID="gridview1" DataSourceID="数据源" runat="server" AllowPaging = True OnPageIndexChanging="gvShow_PageIndexChanging">
这四个button用来翻页
<asp:Button ID="butFirst" CommandName="Page" CommandArgument="First" Text="首页" runat=server/>
<asp:Button ID="butPrev" CommandName="Page" CommandArgument="Prev" Text="上一页" runat=server/>
<asp:Button ID="butNext" CommandName="Page" CommandArgument="Next" Text="下一页" runat=server/>
<asp:Button ID="butLast" CommandName="Page" CommandArgument="Last" Text="末页" runat=server/>
后台翻页事件
protected void gvShow_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
绑定数据源

2

用的是LinkButton同一个事件

protected void LinkButton2_Click(object sender, EventArgs e)
    {
        if (((LinkButton)sender).ID == "LinkButton1")
        {
            if (this.GridView1.PageIndex > 0)
            {
                this.GridView1.PageIndex = this.GridView1.PageIndex - 1;
            }
        }
        else
        {
            this.GridView1.PageIndex = this.GridView1.PageIndex + 1;
        }
       
    }

public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { getData(); } } //得到数据 public void getData() { this.GridView1.DataSource = BLL.mesManager.getGridData(); this.GridView1.DataBind(); } // 绑定之后发生 protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e) { if (e.Row.RowType == DataControlRowType.DataRow) { LinkButton lbtn = (LinkButton)e.Row.FindControl("LinkButton2"); e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='#6699ff'"); e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor"); string aa = e.Row.Cells[3].Text.ToString(); lbtn.Attributes.Add("OnClick", "return confirm('您确认要删除吗?')"); } } //发生时间时激发 protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName == "del") { int id = Convert.ToInt32(e.CommandArgument); int resultNum = BLL.mesManager.del(id); if (resultNum > 0) { Response.Write("<script>alert('删除成功');</script>"); getData(); } else { Response.Write("<script>alert('删除失败');</script>"); } } else if (e.CommandName == "upd") { int id = Convert.ToInt32(e.CommandArgument); Response.Redirect("Update.aspx?id=" + id); } } protected void GridView1_SelectedIndexChanging(object sender, GridViewSelectEventArgs e) { } //pageindexchangeing protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { this.GridView1.PageIndex = e.NewPageIndex; getData(); } //全部删除 protected void Button1_Click(object sender, EventArgs e) { for (int i = 0; i <= GridView1.Rows.Count - 1; i++) { CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1"); if (cbox.Checked == true) { int id=Convert.ToInt32( this.GridView1.Rows[i].Cells[1].Text); BLL.mesManager.del(id); } } getData(); } }
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