Small Code

Friday, November 8, 2013

slidshow

Random r = new Random();
int a = r.Next(1, 5);
Image1.ImageUrl = "image/" + a.ToString() + ".jpg";

use a timer
and script manager
and place code in formload

Thursday, November 7, 2013

windows form preview image

DialogResult result = openFileDialog1.ShowDialog();
                       string s = openFileDialog1.FileName.ToString();
                       pictureBox1.ImageLocation= s;

Wednesday, November 6, 2013

default.aspx
html code:
<form id="form1" runat="server">
    <div>
     Focus to open a popup :
        <asp:TextBox ID="txtOpenPopup" runat="server" onkeydown="OpenPopup()" onmousedown="OpenPopup()" />
        <br />
        <br />
        <asp:FileUpload ID="FileUpload1" runat="server" />
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="pREVIEW" />
        <br />
        <br />
        <br />
        <asp:ImageButton ID="ImageButton1" runat="server" onkeydown="OpenPopup()" onmousedown="OpenPopup()" Height="70px" ImageUrl="~/images/beauty (9).jpg" />
        <br />
        <script language="javascript">

            function OpenPopup() {

                popup("PopupPage.aspx");

            }


</script>
        <script>
    function popup(url) {

    var width = 600;

    var height = 400;

    var left = (screen.width - width) / 2;

    var top = (screen.height - height) / 2;

    var params = 'width=' + width + ', height=' + height;

    params += ', top=' + top + ', left=' + left;

    params += ', directories=no';

    params += ', location=no';

    params += ', menubar=no';

    params += ', resizable=no';

    params += ', scrollbars=no';

    params += ', status=no';

    params += ', toolbar=no';

    newwin = window.open(url, 'windowname5', params);

    if (window.focus) { newwin.focus() }

    return false;

}

</script>

    </div>
    </form>

button:

        FileUpload1.SaveAs(Server.MapPath("images/")+FileUpload1.FileName);
        string s = "images/" + FileUpload1.FileName;
        ImageButton1.ImageUrl=s;
        Session["a"] = s;

popup.aspx:
form load:
Image1.ImageUrl = Session["a"].ToString();

image preview mouse over

protected void Page_Load(object sender, EventArgs e)
{
ImageButton1.Attributes.Add("onmouseover", "ShowImage('NewFolder1/desert.jpg');");
ImageButton1.Attributes.Add("onmouseout", "HideImage();");

}

<body>
<form id="form1" runat="server">
<asp:ImageButton ID="ImageButton1" ImageUrl ="~/NewFolder1/Lighthouse.jpg" runat="server" Height="148px" Width="164px" />
<img id="popupImage" src="Your image path goes here" alt="Popup image" style="display: none; width: auto; height: auto;"/>
<br />

</form>
<script type="text/javascript">
function ShowImage(src) {
var img = document.getElementById('popupImage');
img.src = src;
img.style.display = "block";
}
function HideImage() {
document.getElementById('popupImage').style.display = "none";
}
</script>

</body>

Thursday, October 31, 2013

sessions

login page:

protected void Button1_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=C:\Users\codem\Documents\Visual Studio 2012\WebSites\WebSite12\App_Data\Database.mdf;Integrated Security=True");
string s="select * from login where mobile='"+txtMobile.Text+"'and password='"+txtPassword.Text+"'";

SqlCommand cmd = new SqlCommand(s,con);
con.Open();
SqlDataAdapter sda = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
sda.Fill(dt);
if (dt.Rows.Count>0)
{

Session["a"] = "gmail";
Response.Redirect("home.aspx");

}
else
{
Response.Write("fail");
}

con.Close();

}

Home page.aspx
protected void Page_Load(object sender, EventArgs e)
{
if (Session["a"] != null)
{

}
else
{
Response.Redirect("home.aspx");
}

}
protected void Button1_Click(object sender, EventArgs e)
{
Session.Remove("a");

Response.Redirect("login.aspx");

}

printing many images at a time

using System.IO;public partial class _Default : System.Web.UI.Page
{

public string strFileName { get; set; }protected void Page_Load(object
sender, EventArgs e)
{

}
protected void Button1_Click(object sender, EventArgs e)
{
if(FileUpload1.HasFile)
{
string fileName=FileUpload1.FileName;
FileUpload1.SaveAs(Server.MapPath("images/") +
FileUpload1.FileName);
}
foreach(string strFileName in
Directory.GetFiles(Server.MapPath("images/")))
{
ImageButton imageButton=new ImageButton();
FileInfo fileInfo=new FileInfo(strFileName);
imageButton.ImageUrl="images/"+fileInfo.Name;
imageButton.Click +=new
ImageClickEventHandler(imageButton_click);
Panel1.Controls.Add(imageButton);
}
}

private void imageButton_click(object sender, ImageClickEventArgs e)
{
throw new NotImplementedException();
}

}

Login Page 2

protected void Button1_Click(object sender, EventArgs e)
{
SqlConnection cn = new
SqlConnection("uid=sa;password=123;Database=raj2;server=codem-PC");
cn.Open();
SqlCommand cmd = new SqlCommand("select*from hai where name='" +
TextBox1.Text + "' and id='" + TextBox2.Text + "'", cn);
SqlDataReader dr = cmd.ExecuteReader();
if (dr.HasRows)
{
Label3.Text = "ss";
}
else
{
Label3.Text = "ff";
}
}
}