gridview的简单示例（个人收藏)

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gridview的简单示例（个人收藏)

Blueeyes · 2007-01-08 · via 博客园 - Blueeyes

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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.Data.OracleClient;
using System.Text;public partial class Default2 : System.Web.UI.Page
{

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {

            GetDataBak();
        }

}

更新

#region 更新
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        //主键 .net2003 string strKey=DataGrid1.DataKeys[e.Item.ItemIndex].ToString();
       string strKey = GridView1.DataKeys[e.RowIndex].Values[0].ToString();//更新的行  .net2003  string str=((TextBox)e.Item.Cells[1].Controls[0]).Text;
       string str = ((TextBox)GridView1.Rows[e.RowIndex].Cells[1].Controls[0]).Text;string strUpdate = string.Format("update xz_shoulidengji set baogaorenxm='{0}' where iidd='{1}'", str,strKey);string connectionstring = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

OracleConnection conn

= new OracleConnection(connectionstring);
       OracleCommand com = new OracleCommand(strUpdate, conn);
       conn.Open();
       com.ExecuteNonQuery();
       conn.Close();this.GridView1.EditIndex = -1;
       GetDataBak();

}

#endregion

绑定数据

#region 绑定数据
   private void GetDataBak()
    {
        this.GridView1.DataSource = SqlDataSource1;
        this.GridView1.DataBind();
    }
    #endregion

编辑

#region 编辑
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        this.GridView1.EditIndex = e.NewEditIndex;
        GetDataBak();
    }
    #endregion

取消编辑

#region 取消编辑
    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        this.GridView1.EditIndex = -1;
        GetDataBak();

}

#endregion

翻页

#region 翻页
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        this.GridView1.PageIndex = e.NewPageIndex;
        GetDataBak();

}

#endregion

删除

#region 删除
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        string strKey = GridView1.DataKeys[e.RowIndex].Values[0].ToString();string strUpdate = string.Format("delete xz_shoulidengji  where iidd='{0}'", strKey);string connectionstring = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

OracleConnection conn

= new OracleConnection(connectionstring);
        OracleCommand com = new OracleCommand(strUpdate, conn);
        conn.Open();
        com.ExecuteNonQuery();
        conn.Close();

GetDataBak();

}

#endregion

排序

#region 排序
    protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
    {
        //GridView1.SortDirection == SortDirection.Ascending;
        //GridView1.SortExpression=SortDirection = SortDirection.Ascending;

    }
    #endregion

判断checkbox被选中

#region 判断checkbox被选中
    protected void Button1_Click(object sender, EventArgs e)
    {
        StringBuilder SB = new StringBuilder();
        for (int i = 0; i < GridView1.Rows.Count; i++)
        {
            // .net2003 if(((CheckBox)DataGrid1.Items[i].FindControl("CheckBox1")).Checked==true) string str=DataGrid1.Items[i].Cells[1].Text;
            CheckBox cb = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
            if (cb.Checked)
            {
               // 得到超连接的文本
                string hl = ((HyperLink)GridView1.Rows[i].Cells[1].Controls[0]).Text;
                SB.Append(hl);// Response.Write(某某被选中);此处要用Text
                string strKey = GridView1.Rows[i].Cells[2].Text;
                SB.Append(strKey);
            }
        }

Response.Write(

"<script>alert('"+SB.ToString()+"')</script>");

}

#endregionprotected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
         if (e.Row.RowType == DataControlRowType.DataRow)
        {
            //当鼠标放上去的时候先保存当前行的背景颜色并给附一颜色
            e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='yellow',this.style.fontWeight='';");
            //当鼠标离开的时候将背景颜色还原的以前的颜色
            e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor,this.style.fontWeight='';");
        }
        //单击行改变行背景颜色
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            e.Row.Attributes.Add("onclick", "this.style.backgroundColor='#99cc00'; this.style.color='buttontext';this.style.cursor='default';");
        }

}
}

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>无标题页</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:GridView ID="GridView1" runat="server" AllowPaging="True"
            AutoGenerateColumns="False"  DataKeyNames="iidd" OnRowUpdating="GridView1_RowUpdating"  OnRowCancelingEdit="GridView1_RowCancelingEdit" OnRowEditing="GridView1_RowEditing" OnPageIndexChanging="GridView1_PageIndexChanging" OnRowDeleting="GridView1_RowDeleting" OnSorting="GridView1_Sorting" OnRowDataBound="GridView1_RowDataBound">
            <Columns>
                <asp:TemplateField>
                    <ItemTemplate>
                        <asp:CheckBox ID="CheckBox1" runat="server" />
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:HyperLinkField DataNavigateUrlFields="anjianid" DataNavigateUrlFormatString="Default3.aspx?anjianid={0}"
                    DataTextField="anjianid" HeaderText="ANJIANID"  />
                <asp:BoundField DataField="BAOGAORENXM" HeaderText="BAOGAORENXM" SortExpression="BAOGAORENXM" />
                <asp:BoundField DataField="IIDD" HeaderText="IIDD" SortExpression="IIDD" />
                <asp:CommandField ShowEditButton="True" />
                <asp:TemplateField ShowHeader="False">
                    <ItemTemplate>
                        <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" CommandName="Delete"
                            Text="删除" OnClientClick="return confirm('确定要删除此记录吗？')"></asp:LinkButton>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField>
                    <ItemTemplate>
                        <asp:HyperLink ID="HyperLink1" runat="server"></asp:HyperLink>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
            ProviderName="<%$ ConnectionStrings:ConnectionString.ProviderName %>" SelectCommand='SELECT "ANJIANID", "BAOGAORENXM", "IIDD" FROM "XZ_SHOULIDENGJI"'>
        </asp:SqlDataSource>
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />

    </div>
    </form>
</body>
</html>

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