SqlClient/doc/samples/SqlException_Errors1.cs

52 строки
1.6 KiB
C#

using System;
using System.Data;
// <Snippet1>
using Microsoft.Data.SqlClient;
using System.Text;
class Program
{
static void Main()
{
string s = GetConnectionString();
ShowSqlException(s);
Console.ReadLine();
}
public static void ShowSqlException(string connectionString)
{
string queryString = "EXECUTE NonExistantStoredProcedure";
StringBuilder errorMessages = new StringBuilder();
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand command = new SqlCommand(queryString, connection);
try
{
command.Connection.Open();
command.ExecuteNonQuery();
}
catch (SqlException ex)
{
for (int i = 0; i < ex.Errors.Count; i++)
{
errorMessages.Append("Index #" + i + "\n" +
"Message: " + ex.Errors[i].Message + "\n" +
"LineNumber: " + ex.Errors[i].LineNumber + "\n" +
"Source: " + ex.Errors[i].Source + "\n" +
"Procedure: " + ex.Errors[i].Procedure + "\n");
}
Console.WriteLine(errorMessages.ToString());
}
}
}
static private string GetConnectionString()
{
// To avoid storing the connection string in your code,
// you can retrieve it from a configuration file.
return "Data Source=(local);Initial Catalog=AdventureWorks;"
+ "Integrated Security=SSPI";
}
}
// </Snippet1>