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

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

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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(); } } }

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When ever i log onto tce and i join a sever such as Or killzone i can only play for a certain amount of time before i get kicked. it says that i have been disconected from server for unknown reason. i cant seem to figure it out. i tried turning off my fire wall, but didnt work. please if you can give me any info on what to do it would help alot. Thanks.

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hp asking for replication floppy to do reinstall 25254 server assistant

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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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hi pp gurus, when i do the goods receipt through transiction MIGO the system, gives following error. I filled up all information that needs MIGO transiction. the error is: "Account determination for entry INT GBB___AUF 7900 not possible." can any one suggest me what to do now?

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What is the meaning of lock escalation and why/how to stop this?

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if the lengths of two wires are same and the area of cross sections is 4:7 then what will be the ratio of current passing through these wires

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quoroum of computer languages?

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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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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.

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Hi can any one help me below two steps in sap FICO, 1.Create document number ranges for company code. 2.Copy document number ranges to fiscal year. was trying to do it but i am not able to completing successfully,

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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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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).

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