Search box Using LInq in C#

Create a Table in SQL server

CREATE TABLE [dbo].[HardwareDbTable](
[AssetID] [int] IDENTITY(1,1) NOT NULL,
[AssetName] [nvarchar](max) NOT NULL,
[Manufacturer] [nvarchar](max) NULL,
[Model] [nvarchar](max) NULL
);

Now Insert Some Values in that table :-



Now Go To visualstudio :-

Add LinqSqlClass :-





Now Go to View and select ServerExplorer  (or) Press Ctrl+Alt+S

Now Drag and Drop The Table from ServerExplorer to DataClasses.dbml





Now AddOne Webform 

and Write aspx code


        <div>
            <asp:TextBox ID="TextBox1" runat="server" OnTextChanged="TextBox1_TextChanged"</asp:TextBox><br /><br />
            <asp:GridView ID="GridView1" runat="server"></asp:GridView>
        </div>

Now goto CodeBehind :-

Before that go to DataClasses1.designer.cs


Copy That DataClasses1DataContext()

and paste in aspx codebehind


protected void Page_Load(object sender, EventArgs e)
        {
            DataClasses1DataContext db = new DataClasses1DataContext();
            GridView1.DataSource = from Lst in db.HardwareDbTables

                                   select new

                                   {

                                       ID = Lst.AssetID,

                                       Name = Lst.AssetName,

                                       CompanyName = Lst.Manufacturer,

                                       ModelNumber = Lst.Model

                                   };
            GridView1.DataBind();

        }


  protected void TextBox1_TextChanged(object sender, EventArgs e)
        {
            DataClasses1DataContext db = new DataClasses1DataContext();
            GridView1.DataSource = from Lst in db.HardwareDbTables
                                   where (Lst.AssetID.ToString().Contains(TextBox1.Text)) || (Lst.AssetName.ToString().Contains(TextBox1.Text)) || (Lst.Manufacturer.ToString().Contains(TextBox1.Text)) || Lst.Model.ToString().Contains(TextBox1.Text)
                                   select new
                                   {
                                       ID = Lst.AssetID,
                                       Name = Lst.AssetName,
                                       CompanyName = Lst.Manufacturer,
                                       ModelNumber = Lst.Model
                                   };

            GridView1.DataBind();

        }














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