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(); } } }

2654

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.

2539

//jobname positional parms,keyword parms,.... Restart=step3 //.. //.. //.. //step3 exec=xxxx //... //step4 exec=yyyy,cond=(0,Le,step3) //.. //step5 exec=zzzz Restart =step 3 executes step3.Step 3 gives some return code.In step 4,the test is passed as 0 is less than step 3.So step 4 is bypassed and is not executed. and the program is responsible for issuing the return code that was not even loaded in the main storage. The result: no return code can exist In the steps that follow any test of COND parameter tat attempts to interrogate this non-existent return code will be ignored . Step 5 will be e executed. IN THIS EXAMPLE WHAT DOES XXXX YYYY ZZZZ MEAN?? PLEASE CAN ANYONE SAY...

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when will we use lsmw , bdc and bapi? which will be easy to use and which is used for which type of data

2518

How will you Handle Error in SQL SERVER 2008?

2407

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

1970

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.............

2807

hi can any one tell me.... do we need to use color catridge also in HP Deskjet 630C series printer.... i have kept only black catridge but its not working.......

2237

What is probability to guarantee that the task a programmer is going to create will be created and be able to run on a particular system (RTOS/GPOS).

2379

ORA-26082: load of overlapping segments on table string.string is not allowed

1770

Jetking is C C

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IMP-00000: Import terminated unsuccessfully Hi all . when i go to restore oracle dmp file in my database ans typing this command , C:UsersW>imp HR2011/HR2011@XE TABLES=* dmpfile=F:Share223.27.244.72EXP 2017-0113030008FU160710ZIP/FU160710.DMP this message was showed to me and restore mission filed . LRM-00101: unknown parameter name 'dmpfile' IMP-00022: failed to process parameters, type 'IMP HELP=Y' for help IMP-00000: Import terminated unsuccessfully how i can fix this problem plzzz

2939

Dear HCM Gurus: I am facing a problem in PCR as per decisive about deduction wage type restricted as per Government rules that if an employee payment period is < then 15 days then deduction are not required to made from employee, Nomenclature of PCR is: RTE=TKDIVI RTE/2 RTE?TKSOLL < PPPAR U Unpaid absences duing Payroll Period *ADDWT U THEN RTE=TASOLL RTE-GAAU04 RTE*2 RTE?TKDIVI < ADDWT& Variable Table = ADDWT* OT TABLE > ADDWT* OT TABLE SO aforesaid mentioned PCR is applied so when employee Leaving action has been performed on 01.10.2010 and rentry into company is performed on dated 11.10.2010 So sytem is not displaying deduction wage type in LPC but if we perform leaving action on 16.10.2010 then all deduction displayed proportionately because from 01.10.2010 to 16th payment days fullfills but client is insisted that employee leaved company on 01.10.2010 and rejoin company on 11.10.2010 and by this way he worked 21 days in this month thus payment period is not less rather more than 15 days and system should have made deductions. Kindly guide me that how included PCR with Rejoining into comapny so pleases explain nomencalture of PCR if an employee rejoin the company and his payment period fullfill requirement. Kindly help Regards Barket Ali Zafar SAP HR Consultant Siemens Engineering Co Ltd PIFRA Project ,Islamabad +92-300-5521524

3154

hi all, I am in the process of learning qtp. i havve windows vista in my system whenever i try to run flight reservation application , i am getting the following error "Operation must use an updateable query Fractional truncation (null) . And am unable to open Mercury tours web application due to some other error Can anyone help me please

5386

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

2157