In this article I am going to explain how to save the youtube into database and display it in Gridview using Linq. I have got a requirement to save the youtube video URL into database and display them where user can play the videos. I have created a table Tb_videos which store the information video tile, description and URL as you can see on the following :

HTML Markup:
<table>  
<tr>
<td>Title :</td>
 <td>
     <asp:TextBox ID="txttitle" runat="server" Width="450px"></asp:TextBox></td>
</tr>
<tr>
<td></td>
 <td></td>
</tr>
   <tr>
<td>Description :</td>
 <td><asp:TextBox ID="txtdescription" runat="server" TextMode="MultiLine" Width="450px"></asp:TextBox></td>
</tr>
<tr>
<td></td>
 <td></td>
</tr>
   <tr>
<td>Video URL :</td>
 <td><asp:TextBox ID="txturl" runat="server" Width="450px"></asp:TextBox></td>
</tr>
<tr>
<td></td>
 <td></td>
</tr>
   <tr>
<td></td>
 <td>
     <asp:Button ID="btnsubmit" runat="server" Text="Submit" /></td>
 </tr>
</table>
<br />
    <asp:GridView ID="grdvideo" runat="server" AutoGenerateColumns="False"
        BackColor="White" BorderColor="#DEDFDE" BorderStyle="None" BorderWidth="1px"
        CellPadding="4" ForeColor="Black" GridLines="Vertical">
        <AlternatingRowStyle BackColor="White" />
    <Columns>
    <asp:BoundField DataField="Title" HeaderText="Title" />
    <asp:BoundField DataField="Description" HeaderText="Description"/>
   <asp:TemplateField HeaderText="Videos">
   <ItemTemplate>
   <object  width="480" height="385">
<embed src='<%#Eval("url") %>' type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385">
</embed>
</object> 
   </ItemTemplate>
   </asp:TemplateField>
    </Columns>
        <FooterStyle BackColor="#CCCC99" />
        <HeaderStyle BackColor="#6B696B" Font-Bold="True" ForeColor="White" />
        <PagerStyle BackColor="#F7F7DE" ForeColor="Black" HorizontalAlign="Right" />
        <RowStyle BackColor="#F7F7DE" />
        <SelectedRowStyle BackColor="#CE5D5A" Font-Bold="True" ForeColor="White" />
        <SortedAscendingCellStyle BackColor="#FBFBF2" />
        <SortedAscendingHeaderStyle BackColor="#848384" />
        <SortedDescendingCellStyle BackColor="#EAEAD3" />
        <SortedDescendingHeaderStyle BackColor="#575357" />
    </asp:GridView>

Import the namespace
C#:
using System.Text.RegularExpressions;

VB:
Imports System.Text.RegularExpressions

Create the object of DBML:
C#:
BlogDataContext db = new BlogDataContext();

VB:
Private db As New BlogDataContext()

Get the Youtube video id
Write a function to get the youtube video id from youtube video URL .

C# Code:
private string GetYouTubeVideoID(string youTubeVideoUrl)
{
    var regexMatch = Regex.Match(youTubeVideoUrl, "^[^v]+v=(.{11}).*",
                       RegexOptions.IgnoreCase);
    if (regexMatch.Success)
    {
        return "http://www.youtube.com/v/" + regexMatch.Groups[1].Value +"&hl=en&fs=1";
    }
    return youTubeVideoUrl;
}

VB Code:
Private Function GetYouTubeVideoID(ByVal youTubeVideoUrl As String) As String
    Dim regexMatch = Regex.Match(youTubeVideoUrl, "^[^v]+v=(.{11}).*", RegexOptions.IgnoreCase)
    If regexMatch.Success Then
        Return "http://www.youtube.com/v/" + regexMatch.Groups(1).Value + "&hl=en&fs=1"
    End If
    Return youTubeVideoUrl
End Function

Save the record to database
On button click write the below given code to insert the record into database table.

C# Code:
protected void btnsubmit_Click(object sender, EventArgs e)
{
    try
    {
        string ytFormattedVideoUrl = GetYouTubeVideoID(txturl.Text);
        Tb_Video tb = new Tb_Video();
        tb.Title = txttitle.Text;
        tb.Description = txtdescription.Text;
        tb.URL = ytFormattedVideoUrl;
        db.Tb_Videos.InsertOnSubmit(tb);
        db.SubmitChanges();
        Response.Write("<script>alert('Record Inserted Successfully');</script>");
        BindGrid();
        Clear();
    }
    catch (Exception ex)
    { }
}
public void Clear()
{
    txturl.Text = string.Empty;
    txtdescription.Text = string.Empty;
    txttitle.Text = string.Empty;
}

VB Code:
Protected Sub btnsubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnsubmit.Click
    Try
        Dim ytFormattedVideoUrl As String = GetYouTubeVideoID(txturl.Text)
        Dim tb As New Tb_Video()
        tb.Title = txttitle.Text
        tb.Description = txtdescription.Text
        tb.URL = ytFormattedVideoUrl
        db.Tb_Videos.InsertOnSubmit(tb)
        db.SubmitChanges()
        Response.Write("<script>alert('Record Inserted Successfully');</script>")
        BindGrid()
        Clear()
    Catch ex As Exception
    End Try
End Sub
Public Sub Clear()
    txturl.Text = String.Empty
    txtdescription.Text = String.Empty
    txttitle.Text = String.Empty
End Sub

Fetch the record from database and display
Create a method to get the record from database table and display in Gridview data control.

C# Code:
protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        BindGrid();
    }
}

public void BindGrid()
{
    try
    {
        var bind = from v in db.Tb_Videos
                   select v;
        grdvideo.DataSource = bind;
        grdvideo.DataBind();
    }
    catch (Exception ex)
    {
    }
}

VB Code:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not IsPostBack Then
        BindGrid()
    End If
End Sub

Public Sub BindGrid()
    Try
        Dim bind = From v In db.Tb_Videos
        grdvideo.DataSource = bind
        grdvideo.DataBind()
    Catch ex As Exception
    End Try
End Sub

Build the project and run. To test the application inserts a record into database.

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