Oracle Errors (16400)
SQLServer Errors (35)
MySQL Errors (11)
IMP-00060: Warning: Skipping table "string"."string" because object type "string"."string" does not exist or has different identifier
What is the use of NOLOCK locking hint?
invalid quantity specification negative quantity are not allowed for this item please check this item definition quantity
when i ran any workflow or session, getting below error: seesion task instance[s_xxx]: Execution terminated unexpecterdly
ORA-26076: cannot set or reset value after direct path structure is allocated
today's peformance is less than yesturday.it took 1 mint and today's performance is 7 mints.guys can anyone answer to mu question in sql
IMG-02003: 2FF03 - incorrect color histogram feature specification
RMAN-05017: no copy of datafile number found to recover
ORA-26082: load of overlapping segments on table string.string is not allowed
IMP-00064: Definition of LOB was truncated by export
What severity level errors are managed in TRY-CATCH block?
IMP-00070: Lob definitions in dump file are inconsistent with database.
what is the instrument that used in Mechanical Energy??
ORA-26095: unprocessed stream data exists
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(); } } }