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GridView操作

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//前台

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="GridViewTest.aspx.cs" Inherits="WebApplication.GridViewTest" %>

<!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></title>
    <script type="text/javascript">

        //用于页面跳转的函数
        function getToPage() {
            window.location.href = "myTestWebForm.aspx";
        }

        //解决gridview分页时动态地对checkbox选中状态的处理。

        function SetCheckBoxStatus() {

            var tb = document.getElementById("<%=GridView1.ClientID %>");

            var eleName = document.getElementById("<%=txtName.ClientID %>").value;

            for (var i = 1; i < tb.rows.length - 1; i++) {

                var chk = tb.rows[i].cells[0].firstChild;

                if (eleName.indexOf(tb.rows[i].cells[2].innerText + ",") > -1) {

                    chk.checked = true;
                }
            }
        }

        function checkbox_onchange() {

            var tb = document.getElementById("<%=GridView1.ClientID %>");

            var eleName = document.getElementById("<%=txtName.ClientID %>");

            for (var i = 1; i < tb.rows.length - 1; i++) {

                var chk = tb.rows[i].cells[0].firstChild;

                var id = tb.rows[i].cells[2].innerText;

                eleName.value = eleName.value.replace(id + ",", "");

                if (chk.checked) {

                    eleName.value = eleName.value + id + ",";
                }
            }
        }


        function getCheckValue() {

            var cks = document.getElementsByName("ckName");
            for (var i = 0; i < cks.length; i++) {
                if (cks[i].checked) {
                    alert(cks[i].id);
                }
                else {
                    alert("没有选中的check标签");
                }
            }
        }

 

        function getCheckValue(e) {
            if (e.checked) {
                alert(e.test);
            }
       
        }

 

 

        function getVal() {

            var grid = document.getElementById("<%=GridView1.ClientID %>");
            var inputs = grid.getElementsByTagName("input");
            alert(inputs[1].id);
            alert(inputs[2].id);
            alert(inputs[3].id);
            alert(inputs[4].id);
            alert(inputs[5].id);
            alert(inputs[6].id);

        }

 

 

 

    </script>
</head>
<body  onload="getCheckValue()">
    <form id="form1" runat="server">
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>
    <div style="width: 70%;">
        <table style="width: 100%;">
            <tr>
                <td align="left" style="background-color: Blue;">
                    部门管理
                </td>
            </tr>
            <tr>
                <td>
                    <asp:UpdatePanel ID="UpdatePanel1" runat="server">
                        <ContentTemplate>
                            <asp:GridView ID="GridView1" runat="server" CellPadding="3" PageSize="4" Width="100%"
                                AutoGenerateColumns="False" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
                                OnRowUpdating="GridView1_RowUpdating" OnRowDataBound="GridView1_RowDataBound"
                                OnRowCreated="GridView1_RowCreated" AllowPaging="True" DataKeyNames="UserID"
                                OnPageIndexChanging="GridView1_PageIndexChanging" >

                                <Columns>
                                    <asp:TemplateField HeaderText="用户ID">
                                        <EditItemTemplate>
                                            <asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("UserID") %>'></asp:TextBox>
                                        </EditItemTemplate>
                                        <ItemTemplate>
                                            <center>
                                                <asp:Label ID="LabID" runat="server" Text='<%# Bind("UserID") %>'></asp:Label>
                                            </center>
                                        </ItemTemplate>
                                        <ControlStyle Width="25%" />
                                    </asp:TemplateField>
                                    <asp:TemplateField HeaderText="用户名">
                                        <EditItemTemplate>
                                            <asp:TextBox ID="TextBox4" runat="server" Text='<%# Bind("UserName") %>'></asp:TextBox>
                                        </EditItemTemplate>
                                        <ItemTemplate>
                                            <center>
                                                <asp:Label ID="Label4" runat="server" Text='<%# Bind("UserName") %>'></asp:Label>
                                            </center>
                                        </ItemTemplate>
                                        <ControlStyle Width="25%" />
                                    </asp:TemplateField>
                                    <asp:TemplateField HeaderText="密码">
                                        <EditItemTemplate>
                                            <asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("Password") %>'></asp:TextBox>
                                        </EditItemTemplate>
                                        <ItemTemplate>
                                            <center>
                                                <asp:Label ID="Label1" runat="server" Text='<%# Bind("Password") %>'></asp:Label>
                                            </center>
                                        </ItemTemplate>
                                        <ControlStyle Width="25%" />
                                    </asp:TemplateField>
                                    <asp:TemplateField HeaderText="操作">
                                        <EditItemTemplate>
                                            <%--<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>--%>
                                            <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="True" CommandName="Update"
                                                Text="更新"></asp:LinkButton>
                                            <asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" CommandName="Cancel"
                                                Text="取消"></asp:LinkButton>
                                        </EditItemTemplate>
                                        <ItemTemplate>
                                            <center>
                                                <%--<asp:LinkButton ID="LinkButton1" CommandName="Delete" OnClientClick="alert('确定要删除吗?')" runat="server">删除</asp:LinkButton>--%>
                                                <asp:LinkButton ID="LinkButton1" CommandName="Delete" runat="server">删除</asp:LinkButton>
                                                &nbsp; &nbsp;
                                                <%--<asp:Label ID="Label2" runat="server">更新</asp:Label>--%>
                                                <asp:LinkButton ID="LinkButton2" runat="server" CommandName="Edit">更新</asp:LinkButton>
                                            </center>
                                        </ItemTemplate>
                                    </asp:TemplateField>
                                    <asp:TemplateField HeaderText="是否选中">
                                        <EditItemTemplate>
                                            <asp:CheckBox ID="CheckBox1" runat="server" Checked='<%# Bind("Ischeck") %>' />
                                        </EditItemTemplate>
                                        <ItemTemplate>
                                            <asp:CheckBox ID="CheckBox1" runat="server" Checked='<%# Bind("Ischeck") %>' Enabled="false"
                                                onclick="checkbox_onchange()" />
                                            选中2<input type="checkbox" id="myCk" name="ckName" test='<%# Eval("Password") %>' onclick="getCheckValue(this)" />

                                            <input type="button" value="选中值" onclick="getVal()" />
                                        </ItemTemplate>
                                    </asp:TemplateField>
                                </Columns>
                            </asp:GridView>
                            <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
                            <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
                        </ContentTemplate>
                    </asp:UpdatePanel>
                </td>
                <td colspan="5">
                    用户名:
                    <asp:TextBox ID="txtName" runat="server"></asp:TextBox>
                    <br />
                    密&nbsp; 码:
                    <asp:TextBox ID="txtPwd" runat="server"></asp:TextBox>
                    <br />
                    <br />
                    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                    <asp:Button ID="btnAdd" runat="server" Text="添加" Width="78px" OnClick="btnAdd_Click" />
                </td>
            </tr>
        </table>
    </div>
    <div style="width: 30%;">
        <table style="width: 20%;">
            <tr>
                <td>
                    测试1
                </td>
                <td>
                    测试2
                </td>
            </tr>
        </table>
    </div>
    填写用户ID:<asp:TextBox ID="txtUserID" runat="server"></asp:TextBox>
    <br />
    获得用户名:<asp:TextBox ID="txtGetUserName" runat="server"></asp:TextBox>
    &nbsp &nbsp
    <asp:Button ID="btnGetUserName" runat="server" Text="获得用户名" OnClick="btnGetUserName_Click" />
    &nbsp &nbsp 当点击文本框时进行页面跳转:<input type="text" id="myTest" onclick="getToPage()" />
    <asp:Button ID="btnRegister" runat="server" OnClick="btnRegister_Click" Text="用于注册脚本的按钮" />
    </form>
</body>
<script language="javascript" type="text/javascript">

    SetCheckBoxStatus();

</script>
</html>

 

 

 

//后台:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Model;
using System.Data;
using System.Collections;

namespace WebApplication
{
    public partial class GridViewTest : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)//如果不是数据回传的话
            {
                bind();//实现数据绑定的方法
            }

            //ScriptManager.RegisterClientScriptBlock(btnRegister, GetType(), "click", "alert('hello')", true);//用于为控件在特定的时机注册脚本的语法


            TextBox1.Text = "test";
        }


        //实现数据绑定的方法
        protected void bind()
        {
            GridView1.DataSource = BLL.UserManage.GetAllUsers();
            GridView1.DataBind();
        }

        /// <summary>
        /// 实现添加的功能
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnAdd_Click(object sender, EventArgs e)
        {
            Users user = new Users();
            user.UserName = txtName.Text.Trim();
            user.Password = txtPwd.Text.Trim();

            bool b= BLL.UserManage.Add(user);//得到添加方法的返回值
            if (b)//如果添加成功的话
            {
                ClientScript.RegisterClientScriptBlock(GetType(),"onload","alert('添加成功')",true);//显示添加成功
                //Response.Redirect("~/Login.aspx");//跳转到测试页面
                bind();
            }
        }


        //删除的方法
        protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            //int UserID = Convert.ToInt32((GridView1.Rows[e.RowIndex].FindControl("TextBox3") as TextBox).Text);

            int UserID = Convert.ToInt32((GridView1.Rows[e.RowIndex].FindControl("LabID") as Label).Text);//需要拿到GridView中用户编号的字段

            bool bol = BLL.UserManage.Delete(UserID);
            if (bol)
            {
                bind();
            }
            else
            {
                //Response.Write("<script>alert('删除失败');location.href=Default.aspx;</script>");
                ClientScript.RegisterClientScriptBlock(GetType(), "onload", "alert('删除成功')", true);//删除成功
          
           
            }
        }


        //修改的方法
        protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            Users user = new Users();
            //这里的控件取的都是编辑模板中控件
            user.UserID = Convert.ToInt32((GridView1.Rows[e.RowIndex].FindControl("TextBox3") as TextBox).Text);
            user.UserName = (GridView1.Rows[e.RowIndex].FindControl("TextBox4") as TextBox).Text.ToString();
            user.Password = (GridView1.Rows[e.RowIndex].FindControl("TextBox2") as TextBox).Text.ToString();

            bool bol = BLL.UserManage.Modify(user);
            if (bol)
            {
                //Response.Write("<script>alert('修改成功');</script>");
                ClientScript.RegisterClientScriptBlock(GetType(), "onload", "alert('修改成功')", true);
                GridView1.EditIndex = -1;
                bind();
            }
            else
            {
                //Response.Write("<script>alert('修改失败');</script>");
                ClientScript.RegisterClientScriptBlock(GetType(), "onload", "alert('修改失败')", true);
            }
        }

        //修改状态
        protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
        {
            GridView1.EditIndex = e.NewEditIndex;
            bind();
        }

        //获得用户名
        protected void btnGetUserName_Click(object sender, EventArgs e)
        {
            string userID=txtUserID.Text;//得到用户主键ID
            if (string.IsNullOrEmpty(userID))
         {
           ClientScript.RegisterClientScriptBlock(GetType(),"onload","alert('用户编号不能为空')",true);
                 return;//跳出当前函数
         }

            if (CommonHelper.IsNumeric(userID))
            {
                DataTable table = BLL.UserManage.getNameById(Convert.ToInt32(userID));

                if (table.Rows.Count<=0)
                {
                    ClientScript.RegisterClientScriptBlock(GetType(),"onload","alert('不存在输入的用户编号')",true);
                    return;//跳出当前循环
                }
                txtGetUserName.Text = table.Rows[0]["Fusername"].ToString();
            }
            else
            {
                ClientScript.RegisterClientScriptBlock(GetType(),"onload","alert('输入的用户编号不正确')",true);
            }
        }

 

 


        //删除弹出确认对话框的方法
        protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
        {

 

            //点击表格打开
  
 

 

 

           

            //如果是绑定数据行
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                if (e.Row.RowState == DataControlRowState.Normal || e.Row.RowState == DataControlRowState.Alternate)
                {

                    /*
                    ((LinkButton)e.Row.Cells[3].Controls[0]).Attributes.Add("onclick", "javascript:return confirm('你确认要删除：\"" + e.Row.Cells[1].Text + "\"吗?')");
               */

                    /*
                    ((LinkButton)e.Row.Cells[3].FindControl("LinkButton1")).Attributes.Add("onclick", "javascript:return confirm('你确认要删除：\"" + e.Row.Cells[1].Text + "\"吗?')");
               
                    */
                   

                    ((LinkButton)e.Row.Cells[3].FindControl("LinkButton1")).Attributes.Add("onclick", "javascript:return confirm('你确认要删除吗？')");
                   
                   
                }
            }
           
           

 


            //方法一:
            /*
            int i;
            //执行循环，保证每条数据都可以更新
            for (i = 0; i < GridView1.Rows.Count; i++) {
                //首先判断是否是数据行
                if (e.Row.RowType == DataControlRowType.DataRow) {
                    //当鼠标停留时更改背景色
                    e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#00A9FF'");
                    //当鼠标移开时还原背景色
                    e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
                }
            }

             */


        }


        //鼠标移动时显示颜色方法二:
        protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
        {

            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                e.Row.Attributes.Add("onmouseover", "currentColor = this.style.backgroundColor;this.style.backgroundColor='#CCC';");
               
                e.Row.Attributes.Add("onmouseout", " this.style.backgroundColor=currentColor;");
           
            }
        }


        private void RememberOldValues()
        {
            ArrayList categoryIDList = new ArrayList();
            int index = -1;
            foreach (GridViewRow row in GridView1.Rows)
            {
                index = (int)GridView1.DataKeys[row.RowIndex].Value;
                bool result = ((CheckBox)row.FindControl("CheckBox1")).Checked;

                // Check in the Session
                if (Session["CHECKED_ITEMS"] != null)
                    categoryIDList = (ArrayList)Session["CHECKED_ITEMS"];
                if (result)
                {
                    if (!categoryIDList.Contains(index))
                        categoryIDList.Add(index);
                }
                else
                    categoryIDList.Remove(index);
            }
            if (categoryIDList != null && categoryIDList.Count > 0)
                Session["CHECKED_ITEMS"] = categoryIDList;
        }

 


        private void RePopulateValues()
        {
            ArrayList categoryIDList = (ArrayList)Session["CHECKED_ITEMS"];
            if (categoryIDList != null && categoryIDList.Count > 0)
            {
                foreach (GridViewRow row in GridView1.Rows)
                {
                    int index = (int)GridView1.DataKeys[row.RowIndex].Value;
                    if (categoryIDList.Contains(index))
                    {
                        CheckBox myCheckBox = (CheckBox)row.FindControl("CheckBox1");
                        myCheckBox.Checked = true;
                    }
                }
            }
        }

 

        protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            RememberOldValues();
            GridView1.PageIndex = e.NewPageIndex;
            bind();
            RePopulateValues();

        }

        //用于注册脚本的按钮
        protected void btnRegister_Click(object sender, EventArgs e)
        {

        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            TextBox1.Text = "hello";
        }

    
    }
}

 

 

 

 

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