• asp.net 数据控件遍历


    Gridview 数据访问
    遍历
    1、for遍历
    for (int i = 0; i <= GridView1.Rows.Count - 1; i++)//为gv的每一行增加js事件
    {
       TextBox tb1 = (TextBox)GridView1.Rows[i].FindControl("time");
       tb1.Attributes.Add("onclick", "calendar();");//把js调用添加到每一行
       GridView1.Rows[i].Attributes.Add("OnMouseOver", "this.style.backgroundColor='#6699FF';this.style.color='#8C4510'");  
    }
    2、foreach遍历
     foreach (GridViewRow gr in GridView1 .Rows )
    {
         TextBox tb1 = (TextBox)gr.FindControl("time");
    }
    Gridview 行索引
    1、选中当前行(以linkbutton为例)
        protected void LinkButton2_Click(object sender, EventArgs e)//订单查看
        {
            LinkButton drp = sender as LinkButton; // 触发事件的 LinkButton
            GridViewRow row = drp.NamingContainer as GridViewRow; // GridView 当前行       
            int CurRow = row.RowIndex;
            LinkButton lk = (LinkButton)GridView4.Rows[CurRow].FindControl("LinkButton2");
            lk.Text = "kk";
        }
    2、通过行事件取得控件所在行的行索引(以linkbutton为例)
        protected void GridView4_RowCommand(object sender, GridViewCommandEventArgs e)//行事件
        {
                GridViewRow gvrow = (GridViewRow)(((LinkButton)e.CommandSource).NamingContainer); //获取被点击的linkButton所在的GridViewRow
                int index = gvrow.RowIndex; //获取到行索引 RowIndex
                //获取当前行的某列值
                //string userid=GridView1.Rows[index].Cells[列索引].Text.Trim();
                 LinkButton  lk = (LinkButton)GridView4.Rows[index].FindControl("LinkButton2");
                 lk.Text = "dd";
       }
    Datalist数据访问
    遍历
    1.、for遍历
    for (int i = 0; i < this.DataList1.Items.Count; i++)
    {
       string value = ((Label)this.DataList1.Items[i].FindControl("price")).Text;
    }
    2、foreach遍历
    foreach (DataListItem item in this.DataList1.Items)
    {
         TextBox tb = (TextBox)item.FindControl("textbox1");
    }
    索引
    1、选中当前行(以linkbutton为例)
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
            LinkButton drp = sender as LinkButton; // 触发事件的 LinkButton
            DataListItem items = drp.NamingContainer as DataListItem;
            int CurRow = items.ItemIndex;
            LinkButton lk = (LinkButton)DataList1.Items[CurRow].FindControl("LinkButton1");
            lk.Text = "nihao";
    }
    Repeater数据访问
    遍历
    1、 for遍历
    for (int i = 0; i < Repeater2.Items.Count;i++ )
    {
         Literal ltr = Repeater2.Items[i].FindControl("Literal1");
    }
    2、 foreach遍历
    foreach (RepeaterItem ri in Repeater2.Items)
    {
     Literal ltr = (Literal)ri.FindControl("Literal1");
    }
    索引
    1、 选中当前行(以linkbutton为例)
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
    Button bt = sender as Button;
            RepeaterItem ri = bt.NamingContainer as RepeaterItem;
            int cr = ri.ItemIndex;
            Label  idd = (Label )Repeater1.Items[cr].FindControl("idd");
    }
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  • 原文地址:https://www.cnblogs.com/zhwl/p/2106054.html
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