gridview动态子表

前台代码

  <div>
        <asp:LinkButton ID="lbtnAddRow" runat="server" Width="80px" OnClick="lbtnAddRow_Click">添加行</asp:LinkButton>
        <asp:LinkButton ID="btnDeleteRow" runat="server" OnClick="btnDeleteRow_Click" OnClientClick="return confirm('确定要删除选中行吗？');">删除选中行</asp:LinkButton>
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4">
            <EmptyDataTemplate>
                <table>
                    <tr>
                        <th>
                            ID
                        </th>
                        <th>
                            序号
                        </th>
                        <th>
                            <input id="empCheck" type="checkbox" onclick="SelectAll(this)" />
                        </th>
                        <th>
                            工号
                        </th>
                        <th>
                            姓名
                        </th>
                    </tr>
                </table>
            </EmptyDataTemplate>
            <Columns>
                <asp:TemplateField HeaderText="ID">
                    <ItemTemplate>
                        <asp:Label ID="lblID" runat="server" Text='<%#Eval("ID") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="序号">
                    <ItemTemplate>
                        <%# Container.DataItemIndex + 1%>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField>
                    <HeaderTemplate>
                        <input id="chkAll" type="checkbox" onclick="SelectAll(this)" />
                    </HeaderTemplate>
                    <ItemTemplate>
                        <input id="chkRow" type="checkbox" onclick="checkRow(this);" runat="server" />
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="工号">
                    <ItemTemplate>
                        <asp:TextBox ID="txtEmpNo" runat="server" Text='<%# Eval("myemp_no") %>' BorderStyle="None"></asp:TextBox>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="姓名">
                    <ItemTemplate>
                        <asp:TextBox ID="txtName" runat="server" Text='<%# Eval("myname") %>' BorderStyle="None"></asp:TextBox>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>
    </div>

//选中所有行   
function SelectAll(chkAll)      
{         
    var gridview =$("table[id$='GridView1']")[0];   
    if (gridview)           
    {              
        //获取到GridView1中的所有input标签        
        var inputs = gridview.getElementsByTagName("input");       
        for(var i=0;i<inputs.length;i++)          
        {             
            if (inputs[i].type=="checkbox")   
            {                  
                //设置所有checkbox的选中状态与chkAll一致  
                inputs[i].checked = chkAll.checked;           
            }           
        }         
    }       
}          
//给选中行换背景色   
function checkRow(chkRow)  
{         
    var row = chkRow.parentNode.parentNode; 
    if(row)        
    {           
        if (chkRow.checked) 
        {
            row.style.backgroundColor="#7799CC";   
        }        
        else 
        {                
            row.style.backgroundColor="#FFFFFF";     
        } 
    }    
}

 /// <summary>
        /// 初始化数据
        /// </summary>
        public void InitGridData()
        {
            DataTable dt = bll.GetGridViewData();
            GridView1.DataSource = dt;
            GridView1.DataBind();
        }
        /// <summary>
        /// 添加行
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void lbtnAddRow_Click(object sender, EventArgs e)
        {
            DataTable table = GetGridViewData();
            DataRow newRow = table.NewRow();
            newRow["ID"] = Guid.NewGuid().ToString(); 
            table.Rows.Add(newRow);
            GridView1.DataSource = table;
            GridView1.DataBind();
            int count = this.GridView1.Rows.Count;
            ((HtmlInputCheckBox)(this.GridView1.Rows[count - 1].FindControl("chkRow"))).Checked = true;
            this.GridView1.Rows[count - 1].BackColor = System.Drawing.ColorTranslator.FromHtml("#7799CC");
        }
        /// <summary>
        /// 获取gridview数据转换成table
        /// </summary>
        /// <returns></returns>
        private DataTable GetGridViewData() 
        { 
            DataTable table = new DataTable();
            table.Columns.Add(new DataColumn("id"));
            table.Columns.Add(new DataColumn("myemp_no"));
            table.Columns.Add(new DataColumn("myname"));
            foreach (GridViewRow row in GridView1.Rows)
            {
                DataRow sourseRow = table.NewRow();
                sourseRow["id"] = ((Label)(row.FindControl("lblID"))).Text; 

                sourseRow["myemp_no"] = ((TextBox)row.FindControl("txtEmpNo")).Text;
                sourseRow["myname"] = ((TextBox)row.FindControl("txtName")).Text;
                table.Rows.Add(sourseRow);
            } 
            return table;
        }
        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnDeleteRow_Click(object sender, EventArgs e)
        {
            DataTable table = GetGridViewData();
            foreach (GridViewRow row in GridView1.Rows)
            { 
                if (((HtmlInputCheckBox)row.FindControl("chkRow")).Checked)
                {
                    foreach (DataRow dtRow in table.Rows)
                    {
                        if (dtRow["ID"].ToString() ==((Label)(row.FindControl("lblID"))).Text)
                        {
                            table.Rows.Remove(dtRow);
                            break;
                        }
                    }
                }
            }
            GridView1.DataSource = table;
            GridView1.DataBind();
        }