GridView中同时编辑多条记录

最新推荐文章于 2024-10-03 12:09:31 发布

iteye_13847

最新推荐文章于 2024-10-03 12:09:31 发布

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分类专栏： asp.net 文章标签： UI Web ASP Security

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首先先用ViewState把要编辑记录的ID保存起来，然后在GridView行显示事件（RowDataBound）里判断，在ViewState里存的有ID时显示编辑文本框，<columns></columns>

<asp:gridview width="80%" cellpadding="4" autogeneratecolumns="False" gridlines="None" runat="server" forecolor="#333333"></asp:gridview>

ASPX.CS类文件

using System;
using System.Data;
using System.Collections;
using System.Configuration;
using System.Collections.Generic;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page
{
#region Attribute

    private List<string></string> ListEdit
    {
        get
        {
            if (ViewState["ListEdit"] == null)
            {
                ViewState["ListEdit"] = new List<string></string>();
            }
            return ViewState["ListEdit"] as List<string></string>;
        }
        set
        {
            ViewState["ListEdit"] = value;
        }
    }

#endregion

#region Event

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Bind();
        }
    }

    protected void btnEdit_Click(object sender, EventArgs e)
    {
        foreach (GridViewRow gv in this.gvData.Rows)
        {
            Label lblID = gv.FindControl("lblID") as Label;
            if (lblID != null)
            {
               if(!this.ListEdit.Contains(lblID.Text))
               {
                   this.ListEdit.Add(lblID.Text);
               }
            }
        }
        if (this.ListEdit.Count != 0)
        {
            this.Bind();
        }
    }

    protected void btnSave_Click(object sender, EventArgs e)
    {
        foreach (GridViewRow gv in this.gvData.Rows)
        {
            Label lblID = gv.FindControl("lblID") as Label;
            TextBox txtDesc = gv.FindControl("txtDesc") as TextBox;
            if (lblID != null && txtDesc != null && this.ListEdit.Contains(lblID.Text))
            {
                DAL.ExecuteNonQuery("update jobs set job_desc = '"+txtDesc.Text+"' where job_id = " + lblID.Text);
            }
        }
        this.ListEdit.Clear();
        this.Bind();
    }

    protected void gvData_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        Panel PItem = e.Row.FindControl("PItem") as Panel;
        Panel PEdit = e.Row.FindControl("PEdit") as Panel;
        Panel PItemBtn = e.Row.FindControl("PItemBtn") as Panel;
        Panel PEditBtn = e.Row.FindControl("PEditBtn") as Panel;
        Label lblID = e.Row.FindControl("lblID") as Label;
        if (PItem != null && PEdit != null && PItemBtn != null && PEditBtn != null)
        {
            if (lblID != null && this.ListEdit.Contains(lblID.Text))
            {
                PItem.Visible = false;
                PItemBtn.Visible = false;
                PEdit.Visible = true;
                PEditBtn.Visible = true;
            }
        }
    }

    protected void gvData_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        string id = e.CommandArgument.ToString();
        string name = e.CommandName;
        switch (name)
        {
            case "btnEdit":
                if (!this.ListEdit.Contains(id))
                {
                    this.ListEdit.Add(id);
                    this.Bind();
                }
                break;
            case "btnSave":
                LinkButton btn = e.CommandSource as LinkButton;
                TextBox txtDesc = btn.Parent.FindControl("txtDesc") as TextBox;
                if (txtDesc != null)
                {
                    DAL.ExecuteNonQuery("update jobs set job_desc = '" + txtDesc.Text + "' where job_id = " + id);
                }
                if (this.ListEdit.Contains(id))
                {
                    this.ListEdit.Remove(id);
                    this.Bind();
                }
                break;
            case "btnCancel":
                if (this.ListEdit.Contains(id))
                {
                    this.ListEdit.Remove(id);
                    this.Bind();
                }
                break;
        }
    }
    #endregion