Case Analysis of Transaction and Non Transaction Methods in C
- 2021-07-13 06:05:03
- OfStack
This article illustrates transactional and non-transactional methods in C #. Share it for your reference. The details are as follows:
The code for C # is as follows:
String connectionString = ConfigurationManager.ConnectionStrings["DB_Constr"].ToString();
SqlConnection conn = null;
SqlTransaction trans = null;
try {
conn = new SqlConnection(connectionString);
if (conn.State != ConnectionState.Open) conn.Open();
// Open a transaction, which can specify that the event has no level. You can only query by submitting by default
trans = conn.BeginTransaction();
//save(conn, trans);
DbUtils.commit(trans);
} catch (Exception ex) {
DbUtils.rollback(trans);
ClientScript.RegisterStartupScript(this.GetType(), " Error prompt ", "<script>alert('" + StringUtil.toJsStr(ex.Message) + "');</script>");
} finally {
DbUtils.closeQuietly(conn, trans);
}
String connectionString = ConfigurationManager.ConnectionStrings["DB_Constr"].ToString();
SqlConnection conn = null;
try {
conn = new SqlConnection(connectionString);
if (conn.State != ConnectionState.Open) conn.Open();
} catch (Exception ex) {
ScriptManager.RegisterStartupScript(this, this.GetType(), "mess", "<script>alert('"+StringUtil.toJsStr(ex.Message)+"')</script>", false);
} finally {
DbUtils.closeQuietly(conn);
}
StringUtil. cs is as follows:
using System;
using System.Collections.Generic;
using System.Text;
namespace Tools{
public sealed class StringUtil {
public static bool isEmpty(String str) {
if (str == null) return true;
if (str.Length == 0) return true;
if (str == String.Empty) return true;
return false;
}
public static bool isNotEmpty(String str) {
return !isEmpty(str);
}
public static String toJsStr(String str) {
str = str.Replace("'", "\\'");
str = str.Replace("\r", "");
str = str.Replace("\n", "\\n");
return str;
}
public static void Main() {
Console.Write(isNotEmpty(null));
Console.Read();
}
}
}
DbUtils. cs is as follows:
using System;
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
using System.Data;
namespace Tools{
public class DbUtils {
public static SqlConnection getConnection(string connectstr) {
SqlConnection conn = new SqlConnection(connectstr);
if (conn.State != ConnectionState.Open) {
conn.Open();
}
return conn;
}
public static void closeQuietly(SqlConnection conn) {
try {
close(conn);
} catch { }
}
public static void closeQuietly(SqlTransaction trans) {
try {
close(trans);
} catch { }
}
public static void close(SqlConnection conn) {
if (conn != null) {
conn.Close();
conn.Dispose();
}
}
public static void close(SqlTransaction trans) {
if (trans != null) {
trans.Dispose();
}
}
public static void closeQuietly(SqlConnection conn, SqlTransaction trans) {
closeQuietly(trans);
closeQuietly(conn);
}
public static void commit(SqlTransaction trans) {
try {
if(trans!=null) trans.Commit();
} catch{ }
}
public static void rollback(SqlTransaction trans) {
try {
if (trans != null) trans.Rollback();
} catch { }
}
}
}
I hope this article is helpful to everyone's C # programming.