C#

// load the file that we want to upload into memory
fileStream = new System.IO.FileStream(strFile, System.IO.FileMode.Open, System.IO.FileAccess.Read);
reader = new System.IO.BinaryReader(fileStream);
data = reader.ReadBytes((int)fileStream.Length);

// open the connection to the database
//conn = new System.Data.OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + AccessFile.Text);
//conn.Open();

// determine if the file already exists.  If the file does not already
// exist, add the file to the table.
cmd = new OleDbCommand();
cmd.Connection = Module.objConnection;
string strQuery =
    "SELECT * FROM PICTURES WHERE " +
    "STCODE="+ textBox1.Text +" AND " +
    "STSEQ="+ dataGridView1["STSEQ",dataGridView1.CurrentCell.RowIndex].Value.ToString() +"  ";
cmd.CommandText = strQuery;
dr = cmd.ExecuteReader();
if (dr.HasRows == false)
{
    dr.Close();
    cmd.CommandText = "INSERT INTO PICTURES (STCODE,STRNO,STSEQ,FILENAME,FILESIZE,FILETYPE) " +
        "VALUES(" + textBox1.Text + ", " +
        "" + dataGridView1["STRNO", dataGridView1.CurrentCell.RowIndex].Value.ToString() + ", " +
        "" + dataGridView1["STSEQ", dataGridView1.CurrentCell.RowIndex].Value.ToString() + ", " +
        "'" + fileName + "'," + data.Length + ",'" + type + "') ";
    //cmd.CommandText = "INSERT INTO PICTURES (STCODE,STRNO,STSEQ,FILENAME,FILETYPE) " +
    //    "VALUES(" + textBox1.Text + ", " +
    //    "" + dataGridView1["STRNO", dataGridView1.CurrentCell.RowIndex].Value.ToString() + ", " +
    //    "" + dataGridView1["STSEQ", dataGridView1.CurrentCell.RowIndex].Value.ToString() + ",'" + textBox1.Text.Trim() + "_" + textBox2.Text.Trim() + "." + type + "') ";
    //    //"'" + fileName + "'," + data.Length + ",'" + type + "') ";

    cmd.ExecuteNonQuery();

if (Environment.OSVersion.Version.Major >= 6)
            {
CX509CertificateRequestPkcs10 request = new CX509CertificateRequestPkcs10();
request.InitializeDecode(txtP10.Text, EncodingType.XCN_CRYPT_STRING_BASE64_ANY);                    request.CheckSignature(Pkcs10AllowedSignatureTypes.AllowedKeySignature);
lblSubject.Text = "Subject:" + (((CX500DistinguishedName)request.Subject).Name);
lblKeyLenght.Text = "Key length:" + (request.PublicKey.Length);
lblAlgorithm.Text = "Algorithm:" + (request.HashAlgorithm.FriendlyName);
}
else
{ // how to decode pkcs#10 in XP?
}

controller = Controller.BuildSingleRow(_sheet);

_animator = Animator
.WithStartupInfo(_controller, PlayMode.Normal, 1f);

I am creating a window application that need to use sql server database. I want to install this application to client machine without installing sql server or sql express so that my application can still connect to a database on server that i will be providing at client system.

How can i connect to a database(mdf) on client machine through my window application without installing sql server. ? I dont know is it possible or not.

is this software sifficient :

ADONETDataServices_v15_CTP1.exe