ORA-26094: stream format error: input column overflow

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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(); } } }

2675

according to class7 how can we give description on pendrive?

2519

invalid quantity specification negative quantity are not allowed for this item please check this item definition quantity

3402

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

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Answers for Complete This Song B_C_A_A _IL K_A KA_E, S__AN J__E B__D_ J__E

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

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When i am connect database through toad,one error occured. ORA-12514: TNS:listener does not currently know of service requested in connect descriptor. plz help me thanks advance.............

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

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

2131

Write down the difference between c. Loop and goto statement d. (!0) and (!1) e. (1= =! 1) and (1!=1) f. NULL and !NULL

3832

What is Mutex error in Triggers?

3087

what is the instrument that used in Mechanical Energy??

2702

can a merchant exporter adjust or claim refund of input service tax ??

2302

I-series. When I use: qtp DICTIONARY(PDMZZ) AUTO (*LIBL/MFR0120X)I get the error: *E* Can't open the file specified on the AUTO program parameter. File of different type already exists. When I use it auto without *libl ,qtp DICTIONARY(PDMZZ) AUTO (MFR0120X), it works fine

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