How to view the error log for any specific instance?

2486

ORA-16516: The current state is invalid for the attempted operation.

8818

ORA-07497: sdpri: cannot create trace file 'string'; errno = string.

2801

What is the use of NOLOCK locking hint?

1784

ORA-26028: index string.string initially in unusable state

3862

IMP-00063: Warning: Skipping table "string"."string" because object type "string"."string" cannot be created or has different identifier

2731

ORA-16626: failed to enable specified object

2218

What is live lock, deadlock and what is Lock escalation?

2432

I have written the code as below. here problem is that dt remain null. how to solve thst please tell me. public partial class Form1 : Form { private DataTable DTable; private DataRow drow; public Form1() { InitializeComponent(); } private OleDbConnection getConnection() { OleDbConnection con=new OleDbConnection (@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Documents and Settings\Administrator\My Documents\Visual Studio 2008\Projects\winApp for Student\winApp for Student\App_Data\SchooMgnSystem.mdb;Persist Security Info=True"); return con; } private void button1_Click(object sender, EventArgs e) { InsertData(); } private void InsertData() { if (DTable==null) { DTable = new DataTable(); DTable.Columns.Add("StudID", typeof(string)); DTable.Columns.Add("StudName", typeof (string)); DTable.Columns.Add("Address", typeof(string)); drow = DTable.NewRow(); drow[0] = txtStudID.Text; drow[1] = txtSTudName.Text; drow[2] = txtAddress.Text; DTable.Rows.Add(drow); grdStudent.DataSource = DTable; } else { drow = DTable.NewRow(); drow[0] = txtStudID.Text; drow[1] = txtSTudName.Text; drow[2] = txtAddress.Text; DTable.Rows.Add(drow); grdStudent.DataSource = DTable; } } private void button2_Click(object sender, EventArgs e) { string cmdstr; OleDbCommand cmd; OleDbConnection con = getConnection(); foreach (DataRow Drow in DTable.Rows) { cmdstr = "Insert into Student values('" + drow[0].ToString() + "','" + drow[1].ToString() + "','"+drow [2].ToString()+"')"; cmd = new OleDbCommand(cmdstr,con); try { con.Open(); cmd.ExecuteNonQuery(); } catch (Exception ex) { MessageBox.Show(ex.Message); } finally { con.Close(); } } }

2647

NZE-28890: Entrust Login Failed

1879

hi. i m Anil patel when reconcile 57f4 chalan(subcontraction with out excise)i m facing error like short by material 220 kg. even i have migo all material.

2532

how can i get the question papers of year 2006 and 2007 of 12th commerce gujarat board

2212

What severity level errors are managed in TRY-CATCH block?

2223

ORA-26029: index string.string partition string initially in unusable state

2155

what is the instrument that used in Mechanical Energy??

2680