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(); } } }

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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

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dear sir I want singal maintainer(iii& ii) solved question paper in every year in every board in rrb. If you collect these and sent these my mail-id i shall very grateful to you. thanking you your's faithfully soma saha

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My question is in FLASH I will take 10 or 5 questions and last I will give my username and password and also I will give score to the answers which user submitted and that too the score and details of of the user should come in separate file, this entire thing should be done in Flash only. Is it possibe?

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

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write the value of x and y after execution of the statements: int x=19,y; y=x++ + ++x; x++; y++;

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A sample program using data structure? what is file handling?

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2. A student studying Information Technology at Polytechnic of Namibia is examined by coursework and written examination. Both components of assessment carry a maximum of 50 marks. The following rules are used by examiners in order to pass or fail students. a. A student must score a total of 40% or more in order to pass (total = coursework marks + examination marks) b. A total mark of 39% is moderated to 40% c. Each component must be passed with a minimum mark of 20/50. If a student scores a total of 40% or more but does not achieve the minimum mark in either component he/she is given a technical fail of 39% (this mark is not moderated to 40%) d. Grades are awarded on marks that fall into the following categories. Mark 100-70 69-60 59-50 49-40 39-0 Grade A B C D E Write a program to input the marks for both components (coursework marks out of 50 and examination marks out of 50), out put the final mark and grade after any moderation. [30]

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When do you get "getwmicomexception"?

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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

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quoroum of computer languages?

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

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

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IMP-00096: Warning: Skipping table "string"."string" because type synonym "string"."string" cannot be created

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