} //GetProducts()
/*
* private string GetStringOrNull(SqlDataReader reader, string columnName)
* {
* return reader.IsDBNull(reader.GetOrdinal(columnName)) ? "" : (string)reader[columnName];
* }
*/
/*
* private const int prodStringLen = 50;
* public bool UpdateProduct(Product displayP)
* {
* SqlProduct p = new SqlProduct( displayP);
* hasError = false;
* SqlConnection con = new SqlConnection(conString);
* SqlCommand cmd = new SqlCommand("UpdateProduct", con);
* cmd.CommandType = CommandType.StoredProcedure;
* cmd.Parameters.Add("@ProductId", SqlDbType.Int, 4);
* cmd.Parameters["@ProductId"].Value = p.ProductId;
* cmd.Parameters.Add("@ModelNumber", SqlDbType.VarChar, prodStringLen);
* cmd.Parameters["@ModelNumber"].Value = p.ModelNumber;
* cmd.Parameters.Add("@ModelName", SqlDbType.VarChar, prodStringLen);
* cmd.Parameters["@ModelName"].Value = p.ModelName;
* cmd.Parameters.Add("@UnitCost", SqlDbType.Decimal);
* cmd.Parameters["@UnitCost"].Value = p.UnitCost;
* cmd.Parameters.Add("@Description", SqlDbType.VarChar, 200);
* cmd.Parameters["@Description"].Value = p.Description;
* cmd.Parameters.Add("@CategoryName", SqlDbType.VarChar, prodStringLen);
* cmd.Parameters["@CategoryName"].Value = p.CategoryName;
* int rows = 0;
* try
* {
* con.Open();
* rows = cmd.ExecuteNonQuery();
* }
* catch (SqlException ex)
* {
* errorMessage = "Update SQL error, " + ex.Message;
* hasError = true;
* }
* catch (Exception ex)
* {
* errorMessage = "Update error, " + ex.Message;
* hasError = true;
* }
* finally
* {
* con.Close();
* }
* return (!hasError);
* } //UpdateProduct()
*/
public bool UpdateProduct(Product displayP)
{
try
{
SqlProduct p = new SqlProduct(displayP);
LinqDataContext dc = new LinqDataContext();
dc.UpdateProduct(p.ProductId, p.CategoryName, p.ModelNumber, p.ModelName, p.UnitCost, p.Description);
}
catch (Exception ex)
{
errorMessage = "Update error, " + ex.Message;
hasError = true;
}
return(!hasError);
} //UpdateProduct()
/*
private string GetStringOrNull(SqlDataReader reader, string columnName)
{
return reader.IsDBNull(reader.GetOrdinal(columnName)) ? "" : (string)reader[columnName];
}
*/
/*
private const int prodStringLen = 50;
public bool UpdateProduct(Product displayP)
{
SqlProduct p = new SqlProduct( displayP);
hasError = false;
SqlConnection con = new SqlConnection(conString);
SqlCommand cmd = new SqlCommand("UpdateProduct", con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("@ProductId", SqlDbType.Int, 4);
cmd.Parameters["@ProductId"].Value = p.ProductId;
cmd.Parameters.Add("@ModelNumber", SqlDbType.VarChar, prodStringLen);
cmd.Parameters["@ModelNumber"].Value = p.ModelNumber;
cmd.Parameters.Add("@ModelName", SqlDbType.VarChar, prodStringLen);
cmd.Parameters["@ModelName"].Value = p.ModelName;
cmd.Parameters.Add("@UnitCost", SqlDbType.Decimal);
cmd.Parameters["@UnitCost"].Value = p.UnitCost;
cmd.Parameters.Add("@Description", SqlDbType.VarChar, 200);
cmd.Parameters["@Description"].Value = p.Description;
cmd.Parameters.Add("@CategoryName", SqlDbType.VarChar, prodStringLen);
cmd.Parameters["@CategoryName"].Value = p.CategoryName;
int rows = 0;
try
{
con.Open();
rows = cmd.ExecuteNonQuery();
}
catch (SqlException ex)
{
errorMessage = "Update SQL error, " + ex.Message;
hasError = true;
}
catch (Exception ex)
{
errorMessage = "Update error, " + ex.Message;
hasError = true;
}
finally
{
con.Close();
}
return (!hasError);
} //UpdateProduct()
*/
public bool UpdateProduct(Product displayP)
{
try
{
SqlProduct p = new SqlProduct(displayP);
LinqDataContext dc = new LinqDataContext();
dc.UpdateProduct(p.ProductId, p.CategoryName, p.ModelNumber, p.ModelName, p.UnitCost, p.Description);
}
catch (Exception ex)
{
errorMessage = "Update error, " + ex.Message;
hasError = true;
}
return (!hasError);
}