名优新，您的名优新

GridView 添加/删除行

.aspx

<body>
    <form id="form1" runat="server">
    <div>
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4"
            ForeColor="#333333" GridLines="None" ShowFooter="true" 
          onrowcommand="GridView1_RowCommand">
            <RowStyle BackColor="#EFF3FB" />
            <Columns>
                <asp:TemplateField HeaderText="姓名">
                    <ItemTemplate>
                        <asp:TextBox ID="txtName" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Name")%>'></asp:TextBox>
                    </ItemTemplate>
                    <FooterTemplate>
                        <asp:TextBox ID="txtAddName" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Name")%>'></asp:TextBox>
                    </FooterTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="年龄">
                    <ItemTemplate>
                        <asp:TextBox ID="txtAge" runat="server" Width="50px" Text='<%#DataBinder.Eval(Container,"DataItem.Age") %>'></asp:TextBox>
                    </ItemTemplate>
                    <FooterTemplate>
                        <asp:TextBox ID="txtAddAge" runat="server" Width="50px" Text='<%#DataBinder.Eval(Container,"DataItem.Age") %>'></asp:TextBox>
                    </FooterTemplate>
                </asp:TemplateField>
                <asp:TemplateField>
                    <ItemTemplate>
                        <asp:Button ID="btnDel" runat="server" Text="删除" CommandName="del" CommandArgument='<%#Container.DataItemIndex %>'/>
                    </ItemTemplate>
                    <FooterTemplate>
                        <asp:Button ID="btnAdd" runat="server" Text="添加" CommandName="add" />
                    </FooterTemplate>
                </asp:TemplateField>
            </Columns>
            <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
            <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
            <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
            <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
            <EditRowStyle BackColor="#2461BF" />
            <AlternatingRowStyle BackColor="White" />
        </asp:GridView>
    </div>
    </form>
</body>

.cs

 protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                InitTable();
            }
        }
        private void InitTable()
        {
            DataTable dt = new DataTable();
            dt.Columns.Add(new DataColumn("Name"));
            dt.Columns.Add(new DataColumn("Age"));
            DataRow dr = dt.NewRow();
            dr["Name"] = "CY";
            dr["Age"] = "24";
            dt.Rows.Add(dr);
            ViewState["dt"] = dt;
            this.GridView1.DataSource = dt.DefaultView;
            this.GridView1.DataBind();
        }
        protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            DataTable dt = ViewState["dt"] as DataTable;
            if (e.CommandName == "add")
            {
                DataRow dr = dt.NewRow();
                GridViewRow row = ((GridViewRow)((Control)e.CommandSource).Parent.Parent);
                dr["Name"] = (row.FindControl("txtAddName") as TextBox).Text;
                dr["Age"] = (row.FindControl("txtAddAge") as TextBox).Text;
                dt.Rows.Add(dr);
            }
            if (e.CommandName == "del")
            {
                object obj = e.CommandArgument;
                int index = Convert.ToInt32(e.CommandArgument);
                dt.Rows.RemoveAt(index);
            }
            this.GridView1.DataSource = dt.DefaultView;
            this.GridView1.DataBind();
        }

 

posted @ 2012-07-20 21:12  Eight戒  阅读(249)  评论(0)    收藏  举报
名优新，您的名优新