Answer / guest

if u put 11.22 in a variable x, try this :

x=11.22;
printf("%2.2f",x);

2.2f specifies that ,it will print exactly 2 digits to the
left of decimal point and 2 digits to the right of the decimal
point.You can use any number according to ur requirement ,like
(%x.yf).

When do you get "getwmicomexception"?

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java.sql.SQLException:Invalid state, the statement object is closed Hai all i got this error when i am multiple times referesh web page

0 Answers   HCL,

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How will you Handle Error in SQL SERVER 2008?

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I am experiencing an error failed to retrieve data from data base. it is an oracle table. Is there a limit on the number of fields that can be a report. My table has 321 fields and I do not have all of them in the report yet.

1 Answers  

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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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How to solve "The SQL Server service failed to start. For more information, see the SQL Server Books Online topics" error.

1 Answers   TCS,

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Difference between Bookmark lookup & RID lookup?

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What is Mutex error in Triggers?

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Is the company liable to deduct professional tax of directors?

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write a database figure to implement the master detained relationship.

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why we are using shift key in unix shell script

0 Answers   IBM, TCS,

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What severity level errors are managed in TRY-CATCH block?

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