public DataSet deleteClient(ClientEN CL, int i) // It will delete the index passed in the view
{
string s;
s = ConfigurationManager.ConnectionStrings["DefaultConnection"].ToString(); //String where it's stored the instructions for the connecton for the DB
SqlConnection c = new SqlConnection(s); //The connection is effectuated
DataSet virtdb = new DataSet(); //Created the DataSet that is going to be returned with the information asked
try
{
SqlDataAdapter da = new SqlDataAdapter("select * from Client", c); //The select in SQL language that is processed in the DB which will return all the rows from the table "Client"
da.Fill(virtdb, "client"); //It introduces the information returned from the select into this virtual DB
DataTable t = new DataTable(); //Creates a table
t = virtdb.Tables["client"]; //Fills it with the select
t.Rows[i].Delete(); //Deletes the row that has the information of the client
SqlCommandBuilder cbuilder = new SqlCommandBuilder(da); //Elaborates the SQL command needed to make the changes
da.Update(virtdb, "client"); //Updates the DB with the new information added
}
catch (Exception ex)
{
ex.ToString(); //In case of an error it is printed here
Console.WriteLine("ERROR: Delete client");
}
finally
{
c.Close(); //Closes the connection to the DB
}
return(virtdb); //It returns the virtual DB with all the information needed inside
}
public DataSet addClient(ClientEN CL)
{
string s;
s = ConfigurationManager.ConnectionStrings["DefaultConnection"].ToString(); //String where it's stored the instructions for the connecton for the DB
SqlConnection c = new SqlConnection(s); //The connection is effectuated
DataSet virtdb = new DataSet(); //Created the DataSet that is going to be returned with the information asked
try
{
SqlDataAdapter da = new SqlDataAdapter("select * from Client", c); //The select in SQL language that is processed in the DB which will return all the rows from the table "Client"
da.Fill(virtdb, "client"); //It introduces the information returned from the select into this virtual DB
DataTable dt = new DataTable(); //Creates a table
dt = virtdb.Tables["client"]; //Fills it with the select
DataRow newRow = dt.NewRow(); //insert new values in the new row
newRow[0] = CL.Dni;
newRow[1] = CL.Name;
newRow[2] = CL.Surname; //Inserts the information of the new client
newRow[3] = CL.Phone;
newRow[4] = CL.Address;
newRow[5] = CL.Gender;
newRow[6] = CL.CreditCard;
newRow[7] = CL.Admin;
newRow[8] = CL.Password;
newRow[9] = CL.Avatar;
dt.Rows.Add(newRow);
SqlCommandBuilder cbuilder = new SqlCommandBuilder(da); //Elaborates the SQL command needed to make the changes
da.Update(virtdb, "client"); //Updates the DB with the new information added
}
catch (Exception ex)
{
ex.ToString(); //In case of an error it is printed here
Console.WriteLine("ERROR: Add client");
}
finally
{
c.Close(); //Closes the connection to the DB
}
return(virtdb); //It returns the virtual DB with all the information needed inside
}
public DataSet updateClient(ClientEN CL, int i)
{
string s;
s = ConfigurationManager.ConnectionStrings["DefaultConnection"].ToString(); //String where it's stored the instructions for the connecton for the DB
SqlConnection c = new SqlConnection(s); //The connection is effectuated
DataSet virtdb = new DataSet(); //Created the DataSet that is going to be returned with the information asked
try
{
SqlDataAdapter da = new SqlDataAdapter("select * from Client'", c); //The select in SQL language that is processed in the DB which will return all the rows from the table
da.Fill(virtdb, "client"); //It introduces the information returned from the select into this virtual DB
DataTable t = new DataTable(); //Creates a table
t = virtdb.Tables["client"]; //Fills it with the select
t.Rows[i]["dni"] = CL.Dni; //Updates the informationin the rows
t.Rows[i]["name"] = CL.Name;
t.Rows[i]["surname"] = CL.Surname;
t.Rows[i]["phone"] = CL.Phone;
t.Rows[i]["address"] = CL.Address;
t.Rows[i]["gender"] = CL.Gender;
t.Rows[i]["creditCard"] = CL.CreditCard;
t.Rows[i]["admin"] = CL.Admin;
t.Rows[i]["password"] = CL.Password;
t.Rows[i]["avatar"] = CL.Avatar;
SqlCommandBuilder cbuilder = new SqlCommandBuilder(da); //Elaborates the SQL command needed to make the changes
da.Update(virtdb, "client"); //Updates the DB with the new information added
}
catch (Exception ex)
{
ex.ToString(); //In case of an error it is printed here
Console.WriteLine("ERROR: Delete client");
}
finally
{
c.Close(); //Closes the connection to the DB
}
return(virtdb); //It returns the virtual DB with all the information asked inside
}
public void updateClient2(ClientEN b, string ID)
{
string s;
s = ConfigurationManager.ConnectionStrings["DefaultConnection"].ToString(); //String where it's stored the instructions for the connecton for the DB
SqlConnection c = new SqlConnection(s); //The connection is effectuated
try
{
c.Open(); //The select in SQL language that is processed in the DB which will return all the rows from the table "Client"
SqlCommand com = new SqlCommand("Update Client Set name = '" + b.Name + "', surname ='" + b.Surname + "', phone = '" + b.Phone + "', address = '" + b.Address + "', creditCard = '" + b.CreditCard + "', admin = '" + 0 + "', avatar = '" + b.Avatar + "', password = '******' Where dni = '" + ID + "'", c);
com.ExecuteNonQuery(); //Executes the SQL statement
}
catch (Exception ex)
{
ex.ToString(); //In case of an error it is printed here
Console.WriteLine("ERROR: Update Client");
}
finally
{
c.Close(); //Closes the connection to the DB
}
}
public DataSet showClient(ClientEN CL)
{
string s;
s = ConfigurationManager.ConnectionStrings["DefaultConnection"].ToString(); //String where it's stored the instructions for the connecton for the DB
SqlConnection c = new SqlConnection(s); //The connection is effectuated
DataSet virtdb = new DataSet(); //Created the DataSet that is going to be returned with the information asked
try
{
SqlDataAdapter da = new SqlDataAdapter("select * from Client", c); //The select in SQL language that is processed in the DB which will return all the rows from the table "Client"
da.Fill(virtdb, "client"); //It introduces the information returned from the select into this virtual DB
}
catch (Exception ex)
{
ex.ToString(); //In case of an error it is printed here
Console.WriteLine("ERROR: show client");
}
finally
{
c.Close(); //Closes the connection to the DB
}
return(virtdb); //It returns the virtual DB with all the information needed inside
}
public void login_user(ClientEN c)
{
}
public void update_user(ClientEN c)
{
}
public void delete_user(ClientEN c)
{
}
public void register_user(ClientEN c)
{
}
