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  • Js实现全选和批量删除

    <asp:CheckBox ID="chbAll" runat="server" Text="全选" onclick="GetAll(this)"/>

    <script language="javascript" type="text/javascript">

          function GetAll(obj)

    {

    var item=document.gerElementByTagName("input");   //他获取的东西是一个集合,所以可以用for循环

    for(i=0;i<item.length;i++)

    {

    if(item[i].type=="checkbox")

    {

    item[i].checked=obj.checked;

    }

    }

    }

    <asp:CheckBox ID="chbSelect" runat="server" />

    <asp:HiddenField runat="server" ID="hfId" Value='<%#Eval("Id") %>' />// 通过隐藏域来保存每一条需要删除的ID

    上面的js代码仅仅是选择了一个页面的所有checkbox;

    下面的cs代码则是实现批量删除:每一个checkbox和隐藏域是放在repeat中的

     protected void btnDelSelect_Click(object sender, EventArgs e)
    {

                 int count = 0;
                string ch = string.Empty;//存放选择的ID
                string jch = string.Empty;//截取后的ID

                 foreach(RepeaterItem ri in repAll.Items)

                  {

                     CheckBox cb=ri.FindControl("chbSelect") as CheckBox;

                     HiddenField hid=ri.FindControl("hfid") as HiddenField;

                     if(cb.Checked==true)

                   {

                            count++;

                             ch+=hid.Value.ToString()+",";

                             jch=ch.Substring(0,ch.LastIndexOf(','));

                   }

               if (count > 0)
                {
                    bool flag = new VideosBLL().DeleteVideoMember(jch);
                    if (flag)
                    {
                        PageHelper.ShowMsgBox(this, "删除成功!", PageHelper.MsgStatus.succeed, 1);
                        GetDocumentUpLoad();
                    }
                    else
                    {
                        PageHelper.ShowMsgBox(this, "删除失败!");
                    }
                }
                if (count == 0)
                {
                    PageHelper.ShowMsgBox(this, "请选择您要删除的数据!", PageHelper.MsgStatus.question, 0);
                }

    }

    }

            /// <summary>
            /// 批量删除用户
            /// </summary>
            /// <param name="ids">用户Ids</param>
            /// <returns></returns>
            public bool DeleteVideoMember(string id)
            {
                string strWhere = "Id in(" + id + ")";
                bool flag = GetPagedRecord.ModifyData("Videos", "IsDelete", "1", strWhere, 1);
                return flag;
            }

            /// <param name="tbName">表名</param>
            /// <param name="modifyField">字段名</param>
            /// <param name="modifyData">字段值</param>
            /// <param name="strWhere">where条件,不加where</param>
            /// <param name="isUpdateTime">是否更新时间(须有updateTime字段才可以)</param>
            /// <returns></returns>
            public static bool ModifyData(string tbName, string modifyField, string modifyData, string strWhere, int isUpdateTime)
            {
                bool flag = false;

                SqlParameter[] paras = new SqlParameter[] {  
                        new SqlParameter("@modifyData",SqlDbType.NVarChar,2000)                 
                    };
                paras[0].Value = modifyData;
                string sql = "update " + tbName + " set " + modifyField + "=@modifyData " + (isUpdateTime == 1 ? " ,UpdateTime=getdate()" : "") + (string.IsNullOrEmpty(strWhere) ? "" : " where " + strWhere);
                int result = SqlHelper.ExecuteNonQuery(SqlHelper.MainConnectionString, CommandType.Text, sql, paras);
                if (result > 0)
                {
                    flag = true;
                }
                return flag;
            }

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  • 原文地址:https://www.cnblogs.com/heluo/p/2391462.html
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