ASP.NET - load image in image control using image path

First you have to store image in your local project folder.
second read path from database and assign to ImageUrl Property of Image Control.

try this code-

protected void GetDetails_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection("con string ");
SqlDataAdapter da;
string mySQL = "SELECT imgPath FROM emptable where empid='" + TxtEmpId.Text + "' ";
da = new SqlDataAdapter(mySQL, con);
con.Open();
DataSet ds = new DataSet();
da.Fill(ds);

if(ds.Tables[0].Rows.Count>0)
{

//Now Filling Details-

Image1.ImageURL=ds.Tables[0].Row[0]["imgPath"].ToString();
}
}

Try this code and let me know.

Image1.ImageUrl = "status/available.jpg";

    {

      //sets the connection string from your web config file "ConnString" is the name of your Connection String

      return System.Configuration.ConfigurationManager.ConnectionStrings["MyConsString"].ConnectionString;

    }

    public void ProcessRequest(HttpContext context)

    {

      string id = context.Request.QueryString["id"]; //get the querystring value that was pass on the ImageURL (see GridView MarkUp in Page1.aspx)

      if (id != null)

      {

        MemoryStream memoryStream = new MemoryStream();

        SqlConnection connection = new SqlConnection(GetConnectionString());

        string sql = "SELECT * FROM TblImages WHERE Id = @id";

        SqlCommand cmd = new SqlCommand(sql, connection);

        cmd.Parameters.AddWithValue("@id", id);

        connection.Open();

        SqlDataReader reader = cmd.ExecuteReader();

        reader.Read();

        //Get Image Data

        byte[] file = (byte[])reader["Image"];

        reader.Close();

        connection.Close();

        memoryStream.Write(file, 0, file.Length);

        context.Response.Buffer = true;

        context.Response.BinaryWrite(file);

        memoryStream.Dispose();

      }

    }

    public bool IsReusable {

      get {

        return false;

      }

    }