windows form application C# with SQL Database
By karthick
, in
windows form application C# with SQL Database
,
winform c#
,
winform with sql
,
1 Comment
windows form application C# with SQL Database
By karthick
, in
Group of Queries execute in single Transaction
,
Queries protection from injection
,
SQLCE
,
0 Comments
SQLCE
Queries protection
from injection
Group of Queries execute
in single Transaction
private void button1_Click(object sender, EventArgs
e)
{
SqlCeCommand[] cmd =
new SqlCeCommand[500];
for (int i =
0; i <3; i++)
{
cmd[i]
= new SqlCeCommand();
cmd[i].CommandText
= "insert into kart(name,
city)values(@name,@city)";
cmd[i].Parameters.AddWithValue("@name", name_txt.Text);
cmd[i].Parameters.AddWithValue("@city", city_txt.Text);
}
arrycmd(cmd);
}
void arrycmd(SqlCeCommand[] cmd_array)
{
//connection check
and open
if (con.State ==
ConnectionState.Open) { con.Close();
} con.Open();
//create
transaction
SqlCeTransaction transaction;
transaction = con.BeginTransaction(IsolationLevel.ReadCommitted);
int m =
cmd_array.Length;
try
{
for (int i =
0; i < m; i++)
{
if (cmd_array[i]
== null)
break;
//
Assign connection and transaction to the
current command
cmd_array[i].Connection
= con;
cmd_array[i].Transaction
= transaction;
cmd_array[i].ExecuteNonQuery();
cmd_array[i].Dispose();
}
transaction.Commit();
}
catch
{
transaction.Rollback();
}
con.Close();
MessageBox.Show("done");
}
}
Subscribe to:
Posts (Atom)
