标签：sel ima item Nging names div create source style
<form id="form1" runat="server"> <div> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="line" OnSelectedIndexChanging="GridView1_SelectedIndexChanging"> <Columns> <asp:CommandField HeaderText="插入" SelectText="插入行" ShowSelectButton="True" /> <asp:TemplateField HeaderText="yy"> <ItemTemplate> <asp:TextBox ID="TextBox1" runat="server" Text=‘<%#DataBinder.Eval(Container.DataItem,"yy") %>‘></asp:TextBox> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> </div> </form> //初始化数据 private void BindData()
{
DataTable dt = CreateTable(); DataRow dr = dt.NewRow(); dr["yy"] = "hello"; dr["line"] = 0; dt.Rows.Add(dr); GridView1.DataSource = dt.DefaultView; GridView1.DataBind();
} protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack)
{ BindData();
} } //创建一个表 private DataTable CreateTable() { DataTable dt = new DataTable("mytable"); DataColumn dc = new DataColumn("yy", System.Type.GetType("System.String")); dt.Columns.Add(dc); dc = new DataColumn("line", System.Type.GetType("System.Int32")); dt.Columns.Add(dc); return dt; } protected void GridView1_SelectedIndexChanging(object sender, GridViewSelectEventArgs e) { DataTable dt = CreateTable(); foreach (GridViewRow gvr in GridView1.Rows) { if (e.NewSelectedIndex == int.Parse(GridView1.DataKeys[gvr.RowIndex][0].ToString()))//插入行的位置 { DataRow dr = dt.NewRow(); dr["yy"] = ""; dr["line"] = e.NewSelectedIndex; dt.Rows.Add(dr); dr = dt.NewRow(); TextBox tb = (TextBox)gvr.Cells[1].FindControl("TextBox1"); dr["yy"] = tb.Text; dr["line"] = e.NewSelectedIndex + 1; dt.Rows.Add(dr); } else if (e.NewSelectedIndex < int.Parse(GridView1.DataKeys[gvr.RowIndex][0].ToString()))//插入行之后 { DataRow dr = dt.NewRow(); TextBox tb = (TextBox)gvr.Cells[1].FindControl("TextBox1"); dr["yy"] = tb.Text; dr["line"] = int.Parse(GridView1.DataKeys[gvr.RowIndex][0].ToString()) + 1; dt.Rows.Add(dr); } else//插入行之前 { DataRow dr = dt.NewRow(); TextBox tb = (TextBox)gvr.Cells[1].FindControl("TextBox1"); dr["yy"] = tb.Text; dr["line"] = GridView1.DataKeys[gvr.RowIndex][0].ToString(); dt.Rows.Add(dr); } } //重新绑定 DataView dv = dt.DefaultView; dv.Sort = "line";//指定排序字段 GridView1.DataSource = dv; GridView1.DataBind(); }再分享一下我老师大神的人工智能教程吧。零基础！通俗易懂！风趣幽默！还带黄段子！希望你也加入到我们人工智能的队伍中来！https://blog.csdn.net/jiangjunshow
标签：sel ima item Nging names div create source style
原文地址：https://www.cnblogs.com/swdhywhd/p/10312677.html
