Csharp/C Sharp by API/System.Data.SqlClient/SqlException — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
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Текущая версия на 15:10, 26 мая 2010
SqlException.Errors
<source lang="csharp"> using System; using System.Data; using System.Data.SqlClient; class MainClass {
static void Main() { SqlConnection conn = new SqlConnection(@"data source = .\sqlexpress;integrated security = true;database = northwnd"); SqlCommand cmd = conn.CreateCommand(); cmd.rumandType = CommandType.StoredProcedure; cmd.rumandText = "error command"; try { conn.Open(); cmd.ExecuteNonQuery(); } catch (System.Data.SqlClient.SqlException ex) { for (int i = 0; i < ex.Errors.Count; i++) { Console.WriteLine("Index #" + i); Console.WriteLine("Exception: " + ex.Errors[i].ToString() ); Console.WriteLine("Number: " + ex.Errors[i].Number.ToString() ); } } catch (System.Exception ex) { Console.WriteLine("Source: " + ex.Source); Console.WriteLine("Exception Message: " + ex.Message); } finally { if (conn.State == ConnectionState.Open) { Console.WriteLine("Finally block closing the connection"); conn.Close(); } } }
}
</source>
SqlException.LineNumber
<source lang="csharp">
using System; using System.Data; using System.Data.SqlClient; class MainClass {
static void Main() { SqlConnection conn = new SqlConnection(@"data source = .\sqlexpress;integrated security = true;database = northwind"); SqlCommand cmd = conn.CreateCommand(); cmd.rumandType = CommandType.StoredProcedure; cmd.rumandText = "sp_DbException_1"; try { conn.Open(); cmd.ExecuteNonQuery(); } catch (System.Data.SqlClient.SqlException ex) { Console.WriteLine("Source: " + ex.Source); Console.WriteLine("Number: "+ ex.Number.ToString()); Console.WriteLine("Message: "+ ex.Message); Console.WriteLine("Class: "+ ex.Class.ToString ()); Console.WriteLine("Procedure: "+ ex.Procedure.ToString()); Console.WriteLine("Line Number: "+ex.LineNumber.ToString()); Console.WriteLine("Server: "+ ex.Server.ToString()); } catch (System.Exception ex) { Console.WriteLine("Source: " + ex.Source); Console.WriteLine("Exception Message: " + ex.Message); } finally { if (conn.State == ConnectionState.Open) { Console.WriteLine("Finally block closing the connection"); conn.Close(); } } }
}
</source>
SqlException.Number
<source lang="csharp">
using System; using System.Data; using System.Data.SqlClient; class MainClass {
static void Main() { SqlConnection conn = new SqlConnection(@"data source = .\sqlexpress;integrated security = true;database = northwind"); SqlCommand cmd = conn.CreateCommand(); cmd.rumandType = CommandType.StoredProcedure; cmd.rumandText = "sp_DbException_1"; try { conn.Open(); cmd.ExecuteNonQuery(); } catch (System.Data.SqlClient.SqlException ex) { Console.WriteLine("Source: " + ex.Source); Console.WriteLine("Number: "+ ex.Number.ToString()); Console.WriteLine("Message: "+ ex.Message); Console.WriteLine("Class: "+ ex.Class.ToString ()); Console.WriteLine("Procedure: "+ ex.Procedure.ToString()); Console.WriteLine("Line Number: "+ex.LineNumber.ToString()); Console.WriteLine("Server: "+ ex.Server.ToString()); } catch (System.Exception ex) { Console.WriteLine("Source: " + ex.Source); Console.WriteLine("Exception Message: " + ex.Message); } finally { if (conn.State == ConnectionState.Open) { Console.WriteLine("Finally block closing the connection"); conn.Close(); } } }
}
</source>