ASP.NET C# GridView - Focus on RowEditing
本文关键字：Focus on RowEditing GridView NET ASP | 更新日期: 2023-09-27 18:10:17
我有一个绑定到gridview的大型数据集，该数据集在300px高度限制的div标签内。当我选择一行并触发编辑功能时，页面将重新加载数据(根据需要)到gridview中，并将我带回到顶部，无论我向下滚动了多远。
是否有一种理想的方法，只使用asp.net c#专注于正在编辑的行。我不介意这是否涉及到在编辑模式下放置在网格顶部的行，如果需要的话。
下面是CountryGrid.aspx
<%@ Page Language="C#" MasterPageFile="~/MasterPageSimple.master" AutoEventWireup="true"
CodeFile="CountryGrid.aspx.cs" EnableEventValidation="false" Inherits="CountryGrid"
Title="JFA Admin Portal - OP49 Country Update" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<center>
<div class="headlanding">
<asp:Label ID="lb_Welcome" runat="server" CssClass="labelLargeFont" Text="Label">OP49 - Country Update</asp:Label>
<br />
<br />
<br />
<asp:Label ID="Label4" runat="server" CssClass="labelLargeFont" >You are currently modifying: </asp:Label>
<asp:Label ID="Country" runat="server" CssClass="labelLargeFont" />
<br />
<asp:Label ID="Label1" runat="server" CssClass="labelLargeFont" >For </asp:Label>
<asp:Label ID="Season" runat="server" CssClass="labelLargeFont" />
<br />
<br />
</div>
<br />
<div style="text-align: center">
<asp:Label ID="Error_Dashboard" runat="server" Font-Size="Small" ForeColor="#FF3300"></asp:Label>
<asp:Label ID="ErrorAccess" runat="server" Font-Size="Small" ForeColor="#FF3300"></asp:Label>
</center>
</div>
<asp:Panel ID="Panel1" runat="server" Font-Size="Large" CssClass="Grid_Panel" GroupingText="OP49 - Update Grid" Font-Bold="true">
<center>
<div style="max-height: 550px; overflow: auto;">
<asp:GridView ID="CountryGridView" DataKeyNames="i_SK_Accom" runat="server" Postback="False"
AutoGenerateColumns="False" CssClass="mGrid" RowStyle-CssClass="normal" Width="95%"
OnRowEditing="CountryGridView_RowEditing"
OnRowCancelingEdit="CountryGridView_RowCancelingEdit"
OnRowUpdating="CountryGridView_RowUpdating" >
<Columns>
<asp:TemplateField HeaderText="Accom Code">
<ItemTemplate>
<asp:Label ID="lb_Accom_Code" runat="server" Text='<%# Bind("Accom_Code") %>' />
</ItemTemplate>
<EditItemTemplate>
<asp:Label ID="lbl_Accom_Code" runat="server" Text='<%# Bind("Accom_Code") %>' />
</EditItemTemplate>
<HeaderStyle Width="80px" />
<ItemStyle Width="80px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Accom Name">
<ItemTemplate>
<asp:Label ID="lb_Accom_Name" runat="server" Text='<%# Bind("Accom_Name") %>' />
</ItemTemplate>
<EditItemTemplate>
<asp:Label ID="lbl_Accom_Name" runat="server" Text='<%# Bind("Accom_Name") %>' />
</EditItemTemplate>
<HeaderStyle Width="200px" />
<ItemStyle Width="200px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="OP49 Required?">
<EditItemTemplate>
<asp:DropDownList ID="txt_OP49" runat="server" SelectedValue='<%# Bind("OP49_Required") %>' CssClass="DropBoxYN">
<asp:ListItem Text="Yes" Value="Y"></asp:ListItem>
<asp:ListItem Text="No" Value="N"></asp:ListItem>
</asp:DropDownList>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lb_OP49" runat="server" Text='<%# Bind("OP49_Required") %>' />
</ItemTemplate>
<HeaderStyle Width="100px" />
<ItemStyle Width="100px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Weekly">
<EditItemTemplate>
<asp:DropDownList ID="txt_Weekly" runat="server" SelectedValue='<%# Bind("Weekly") %>' CssClass="DropBoxYN">
<asp:ListItem Text="Yes" Value="Y"></asp:ListItem>
<asp:ListItem Text="No" Value="N"></asp:ListItem>
</asp:DropDownList>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lb_Weekly" runat="server" Text='<%# Bind("Weekly") %>' />
</ItemTemplate>
<HeaderStyle Width="60px" />
<ItemStyle Width="60px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Daily">
<EditItemTemplate>
<asp:DropDownList ID="txt_Daily" runat="server" SelectedValue='<%# Bind("Daily") %>' CssClass="DropBoxYN">
<asp:ListItem Text="Yes" Value="Y"></asp:ListItem>
<asp:ListItem Text="No" Value="N"></asp:ListItem>
</asp:DropDownList>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lb_Daily" runat="server" Text='<%# Bind("Daily") %>' />
</ItemTemplate>
<HeaderStyle Width="60px" />
<ItemStyle Width="60px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Actions" >
<ItemTemplate>
<asp:ImageButton ID="bt_Edit" runat="server" CommandName="Edit" AlternateText="Edit" ImageUrl="~/Images/Edit.gif" CssClass="ImageButton" />
</ItemTemplate>
<EditItemTemplate>
<asp:ImageButton ID="bt_Update" runat="server" CommandName="Update" AlternateText="Update" ImageUrl="~/Images/save.png" CssClass="ImageButton" />
<asp:ImageButton ID="bt_Cancel" runat="server" CommandName="Cancel" AlternateText="Cancel" ImageUrl="~/Images/cancel.png" CssClass="ImageButton" />
</EditItemTemplate>
<HeaderStyle Width="60px" />
<ItemStyle Width="60px" Wrap="False" />
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
<br />
<asp:ImageButton ID="Home" runat="server" ImageUrl="~/Images/home.png" CssClass="ImageButtonLarge" AlternateText="Home" ToolTip="Home" OnClick="Click_Home" />
</center>
</asp:Panel>
</ContentTemplate>
</asp:UpdatePanel>
</asp:Content>
和page后面的代码:
using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
using System.Text;
public partial class CountryGrid : System.Web.UI.Page
{
SnowballInterface conn = new SnowballInterface();
SnowballInterface CurSeason = new SnowballInterface();
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Page_Init(object sender, EventArgs e)
{
if (Request["i_FK_CountryID"] == null)
{
Response.Redirect("Default.aspx");
}
#region Get Accom Data
SqlCommand EditCOComm = new SqlCommand("IFACE_JFA_COUNTRY", conn.sbConn);
EditCOComm.CommandType = CommandType.StoredProcedure;
EditCOComm.Parameters.Add("@Statement", SqlDbType.Char).Value = "CountryDetails";
EditCOComm.Parameters.Add("@i_FK_CountryID", SqlDbType.Int).Value = Request["i_FK_CountryID"].Trim().ToString();
try
{
conn.sbConn.Open();
SqlDataReader EditCOReader;
EditCOReader = EditCOComm.ExecuteReader();
// Download default values
while (EditCOReader.Read())
{
Country.Text = Convert.ToString(EditCOReader["Country_Name"]).Trim();
Season.Text = Convert.ToString(EditCOReader["Season_Name"]).Trim();
}
EditCOReader.Close();
}
catch (Exception)
{
}
finally
{
conn.sbConn.Close();
}
#endregion
if (!IsPostBack)
{
BindCountryGrid();
}
}
protected void CountryGridView_RowEditing(object sender, GridViewEditEventArgs e)
{
//Set the edit index.
CountryGridView.EditIndex = e.NewEditIndex;
//Bind data to the GridView control.
BindCountryGrid();
}
protected void CountryGridView_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
//Reset the edit index.
CountryGridView.EditIndex = -1;
//Bind data to the GridView control.
BindCountryGrid();
}
protected void CountryGridView_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
Label Textbox_Accom = (Label)CountryGridView.Rows[e.RowIndex].FindControl("lbl_Accom_Code");
Label Textbox_Accom_Name = (Label)CountryGridView.Rows[e.RowIndex].FindControl("lbl_Accom_Name");
DropDownList Textbox_OP49 = (DropDownList)CountryGridView.Rows[e.RowIndex].FindControl("txt_OP49");
DropDownList Textbox_Weekly = (DropDownList)CountryGridView.Rows[e.RowIndex].FindControl("txt_Weekly");
DropDownList Textbox_Daily = (DropDownList)CountryGridView.Rows[e.RowIndex].FindControl("txt_Daily");
SqlCommand commEditConsultant = new SqlCommand("IFACE_JFA_ACCOM", conn.sbConn);
commEditConsultant.CommandType = CommandType.StoredProcedure;
commEditConsultant.Parameters.Add("@Statement", SqlDbType.VarChar).Value = "AccomGridUpdate";
commEditConsultant.Parameters.Add("@Page", SqlDbType.VarChar).Value = "OP49";
commEditConsultant.Parameters.Add("@PC_Username", SqlDbType.VarChar).Value = HttpContext.Current.User.Identity.Name.ToUpper().ToString();
commEditConsultant.Parameters.Add("@Season_Name", SqlDbType.VarChar).Value = Season.Text;
commEditConsultant.Parameters.Add("@Accom_Code", SqlDbType.VarChar).Value = Textbox_Accom.Text;
commEditConsultant.Parameters.Add("@i_FK_SeasonID", SqlDbType.VarChar).Value = Request["i_FK_SeasonID"].Trim().ToString();
commEditConsultant.Parameters.Add("@OP49_Required", SqlDbType.VarChar).Value = Textbox_OP49.Text;
commEditConsultant.Parameters.Add("@Weekly", SqlDbType.VarChar).Value = Textbox_Weekly.Text;
commEditConsultant.Parameters.Add("@Daily", SqlDbType.VarChar).Value = Textbox_Daily.Text;
conn.sbConn.Open();
commEditConsultant.ExecuteNonQuery();
CountryGridView.EditIndex = -1;
Error_Dashboard.Text = Textbox_Accom.Text + " - " + Textbox_Accom_Name.Text + " Updated Successfully!";
conn.sbConn.Close();
BindCountryGrid();
}
private void BindCountryGrid()
{
SqlCommand CountryGridSelect = new SqlCommand("IFACE_JFA_ACCOM", conn.sbConn);
CountryGridSelect.CommandType = CommandType.StoredProcedure;
CountryGridSelect.Parameters.Add("@Statement", SqlDbType.VarChar).Value = "CountryGridSelect";
CountryGridSelect.Parameters.Add("@i_FK_CountryID", SqlDbType.VarChar).Value = Request["i_FK_CountryID"].Trim().ToString();
try
{
conn.sbConn.Open();
SqlDataReader CountryGridSelectReader;
CountryGridSelectReader = CountryGridSelect.ExecuteReader();
CountryGridView.DataSource = CountryGridSelectReader;
CountryGridView.DataBind();
CountryGridSelectReader.Close();
}
finally
{
conn.sbConn.Close();
}
}
protected void Click_Home(object sender, EventArgs e)
{
Response.Redirect("Default.aspx?i_FK_SeasonID=" + Request["i_FK_SeasonID"].Trim().ToString());
}
}
您可以在aspx页面的页面指令中将MaintanScrollPositionOnPostback设置为true。
<%@ Page Language="C#" AutoEventWireup="true" MaintainScrollPositionOnPostback="true" CodeBehind="Gridview.aspx.cs" Inherits="TestWebsite.Gridview" %>