when i open the system error dialog box come memory could not be read some.

2554

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(); } } }

2722

what are the test cases for ticket vending machine?

4363

pleasesend which type of the books to indian banks clerks& what is topics pleases mailme

2386

what is new g/l functionality

2683

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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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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after going to service throw to administrator tools service promp are not opening

2344

i have SAP B1 in my work area When i am try to hold the particular item the following ERRORS display in my System (This entry already exists in the following tables '' (AIT1) (ODBC -2035) [Message 131-183])

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

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

1830

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

2009

In my project I am using star schema and only diimension tables are loaded and not fact tables any one can help me why it is happening? Plase guide me.

2950

how do i copy first 10 records from one sequntial file to another sequential file by using JCL program?

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IMG-02003: 2FF03 - incorrect color histogram feature specification

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