C# and sql server database

  Hi Maniraguha,

Below Code May help you for searching data from sql

SqlConnection SCC=new SqlConnection("connection string");
SqlCommand CCommand = new SqlCommand();

                    CCommand.Connection = SCC;

                    CCommand.CommandType = CommandType.Text;

                    CCommand.CommandText = "select * from tablename where ColumnName='" + Search Value+ ";

                    DataTable dt = new DataTable();

                    SqlDataAdapter sda = new SqlDataAdapter();

                    sda.SelectCommand = CCommand;

                    sda.Fill(dt);

and below link will help you to for update image

http://www.c-sharpcorner.com/Blogs/11000/upload-a-file-using-fileupload-using-Asp-Net.aspx

if above are help full to you kindly mark as answer