What is Mutex error in Triggers?

3069

RMAN-05017: no copy of datafile number found to recover

2410

What is SCD (Slowly Changing Dimensions)? What are its types?

2664

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

2212

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

2434

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

2225

java.sql.SQLException:Invalid state, the statement object is closed Hai all i got this error when i am multiple times referesh web page

6652

ORA-26076: cannot set or reset value after direct path structure is allocated

1968

why we are using shift key in unix shell script

3167

How will you Handle Error in SQL SERVER 2008?

2403

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(); } } }

2648

write a database figure to implement the master detained relationship.

2936

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

2155

ORA-26032: index string.string loading aborted after string keys

2107

IMP-00060: Warning: Skipping table "string"."string" because object type "string"."string" does not exist or has different identifier

3169