Click here to Skip to main content
15,884,537 members
Please Sign up or sign in to vote.
0.00/5 (No votes)
See more:
Can i use FilterExpression for more than one field ..am using access database

and structure is

UserId,UserName,LastName,Location

how can i do this filtration for more than one field

XML
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>Highlight the Search Keywords in Gridview </title>
    <style type="text/css">
        .GridviewDiv
        {
            font-size: 100%;
            font-family: 'Lucida Grande' , 'Lucida Sans Unicode' , Verdana, Arial, Helevetica, sans-serif;
            color: #303933;
        }
        Table.Gridview
        {
            border: solid 1px #df5015;
        }
        .Gridview th
        {
            color: #FFFFFF;
            border-right-color: #abb079;
            border-bottom-color: #abb079;
            padding: 0.5em 0.5em 0.5em 0.5em;
            text-align: center;
        }
        .Gridview td
        {
            border-bottom-color: #f0f2da;
            border-right-color: #f0f2da;
            padding: 0.5em 0.5em 0.5em 0.5em;
        }
        .Gridview tr
        {
            color: Black;
            background-color: White;
            text-align: left;
        }
        :link, :visited
        {
            color: #DF4F13;
            text-decoration: none;
        }
        .highlight
        {
            text-decoration: none;
            color: black;
            background: yellow;
        }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div class="GridviewDiv">
        <p>
            Enter UserName :
            <asp:TextBox ID="txtSearch" runat="server" />&nbsp;&nbsp;
            <asp:ImageButton ID="btnSearch" ImageUrl="~/SearchButton.png" runat="server" Style="top: 5px;
                position: relative" OnClick="btnSearch_Click" />&nbsp;&nbsp;
            <asp:ImageButton ID="btnClear" ImageUrl="~/Clearbutton.png" runat="server" Style="top: 5px;
                position: relative" OnClick="btnClear_Click" /><br />
            <br />
        </p>
        <asp:GridView ID="gvDetails" runat="server" AutoGenerateColumns="False" AllowPaging="True"
            AllowSorting="true" DataSourceID="dsDetails" Width="540px" PageSize="10" CssClass="Gridview">
            <HeaderStyle BackColor="#df5015" />
            <Columns>
                <asp:TemplateField HeaderText="UserName">
                    <ItemTemplate>
                        <asp:Label ID="lblFirstname" Text='<%# HighlightText(Eval("UserName").ToString()) %>'
                            runat="server" />
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="LastName">
                    <ItemTemplate>
                        <asp:Label ID="lblLastname" Text='<%# Eval("LastName") %>' runat="server" />
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="Location">
                    <ItemTemplate>
                        <asp:Label ID="lblLocation" Text='<%#Eval("Location") %>' runat="server"></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>
    </div>
    <asp:AccessDataSource ID="dsDetails" runat="server"
        DataFile="~/App_Data/search.mdb" SelectCommand="SELECT * FROM [UserDetails]" FilterExpression="UserName LIKE '%{0}%'" >
        <FilterParameters>
            <asp:ControlParameter Name="UserName" ControlID="txtSearch" PropertyName="Text" />

        </FilterParameters>
        </asp:AccessDataSource>
    <%--<asp:SqlDataSource ID="dsDetails" runat="server" ConnectionString="<%$ConnectionStrings:dbconnection %>"
        SelectCommand="select * from UserDetails" FilterExpression="UserName LIKE '%{0}%'">
        <FilterParameters>
            <asp:ControlParameter Name="UserName" ControlID="txtSearch" PropertyName="Text" />
        </FilterParameters>
    </asp:SqlDataSource>--%>
    </form>
</body>
</html>





C#
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.Text.RegularExpressions;

public partial class _Default : System.Web.UI.Page
{
    private string SearchString = "";
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    public string HighlightText(string InputTxt)
    {
        string Search_Str = txtSearch.Text;
        // Setup the regular expression and add the Or operator.
        Regex RegExp = new Regex(Search_Str.Replace(" ", "|").Trim(), RegexOptions.IgnoreCase);
        // Highlight keywords by calling the
        //delegate each time a keyword is found.
        return RegExp.Replace(InputTxt, new MatchEvaluator(ReplaceKeyWords));
    }


    public string ReplaceKeyWords(Match m)
    {
        return ("<span class=highlight>" + m.Value + "</span>");
    }


    protected void btnSearch_Click(object sender, ImageClickEventArgs e)
    {
        //  Set the value of the SearchString so it gets
        SearchString = txtSearch.Text;
    }
    protected void btnClear_Click(object sender, ImageClickEventArgs e)
    {
        //  Simple clean up text to return the Gridview to it's default state
        txtSearch.Text = "";
        SearchString = "";
        gvDetails.DataBind();
    }
}
Posted

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)



CodeProject, 20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8 +1 (416) 849-8900