gridview动态子表
来源：互联网 发布：做一个java中间件 编辑：程序博客网 时间：2024/05/16 11:23
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(); }
