C#_asp.net常用代码归纳

 

        //1.打开新的窗口并传送参数
        Response.Write("＜script＞window.open('*.aspx?id=" + this.DropDownList1.SelectIndex + "&id1=" + ...+"')＜/script＞");
        string a = Request.QueryString("id");
        string b = Request.QueryString("id2");

        //2.为按钮添加对话框
        Button1.Attributes.Add("onclick", "return confirm('确认？')");
        Button1.attributes.add("onclick", "if(confirm('are you sure...?')){return true;}else{return false;}");

        //3.删除表格选定记录
        int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
        string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString();

private void DataGrid_ItemCreated(Object sender, DataGridItemEventArgs e)
    {
        //4.删除表格记录警告
        switch (e.Item.ItemType)
        {
            case ListItemType.Item:
            case ListItemType.AlternatingItem:
            case ListItemType.EditItem:
                TableCell myTableCell;
                myTableCell = e.Item.Cells[14];
                LinkButton myDeleteButton;
                myDeleteButton = (LinkButton)myTableCell.Controls[0];
                myDeleteButton.Attributes.Add("onclick", "return confirm(’您是否确定要删除这条信息’);");
                break;
            default:
                break;
        }
    }

private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
    {
        #region 5.点击表格行链接另一页
        if (e.Item.ItemType == ListItemType.Item && e.Item.ItemType == ListItemType.AlternatingItem)
        {
            e.Item.Attributes.Add("onclick", "window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
        }
        #endregion


        #region 双击表格打开新一页
        if (e.Item.ItemType == ListItemType.Item && e.Item.ItemType == ListItemType.AlternatingItem)
        {
            string OrderItemID = e.item.cells[1].Text;

            e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
        }
        #endregion

        // 6.表格超连接列传递参数
        // <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="*.aspx?id='
        //<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>' & name='<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>'"></asp:HyperLinkColumn>

        #region 7.表格点击改变颜色
        if (e.Item.ItemType == ListItemType.Item && e.Item.ItemType == ListItemType.AlternatingItem)
        {
            e.Item.Attributes.Add("onclick", "this.style.backgroundColor='#99cc00';this.style.color='buttontext';this.style.cursor='default';");
        }

        if (e.Item.ItemType == ListItemType.Item && e.Item.ItemType == ListItemType.AlternatingItem)
        {
            e.Item.Attributes.Add("onmouseover", "this.style.backgroundColor='#99cc00';this.style.color='buttontext';this.style.cursor='default';");
            e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor='';this.style.color='';");
        }
        #endregion
    }