Export Data From DataTable To Text File?
Jul 16, 2010
I have a DataTable which contains a result of a query. The data are name, address, city and province.
I need to write these data into a txt file, but I must use three columns, so the output should be like this:
Name1 Name2 Name3
Address1 Address2 Address3
City1 Provvince1 City2 Provvince2 City3 Provvince3
Name4 Name5 Name6
Address4 Address5 Address6
City4 Provvince4 City5 Provvince5 City6 Provvince6
The problem is that when I cycle through the rows of DataTable I can't format the text file as I wish.
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May 7, 2015
When I am Exporting CSV Using Reader,Here Attached Coding for your reference,
PrecisionColumns = New String() {"Salequantity", "Salevalue", "Purchasequantity", "Purchasevalue", "Stockvalue"}
If Trim(Rdr.GetValue(I).ToString() <> "") Then
csv += Format(CDbl(Rdr.GetValue(I).ToString()), "0.00").Replace(",", ";") + ","c
End If
csv += vbCr & vbLf
Response.Write(csv)
... ...
I get precision in CSV file ,but when i open the csv file in excel Precision not showing, how to show precision on excel sheet...
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Aug 16, 2010
I want export datatable to dbf . the following is my code. the conection dont open
SqlConnection cn = new
SqlConnection("Data
Source=(local);Initial Catalog=test;Integrated Security=True");
SqlDataAdapte da =
new
SqlDataAdapter("select
* from test", cn);
DataSet ds = new
DataSet();
da.Fill(ds, "test");
string directory =
"E://";
OleDbConnection connection =
new
OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data
Source=E:\TEST.DBF;");
connection.Open();
OleDbCommand command = connection.CreateCommand();
if (System.IO.File.Exists(directory
+ @"TEST.DBF"))
command.CommandText =
"DELETE FROM Test
else
command.CommandText =
"CREATE TABLE Test (ID int, name varchar(50),last_name varchar(50))";
command.ExecuteNonQuery();
command.CommandText =
"SELECT * FROM Test";
OleDbDataAdapter adapter =
new
OleDbDataAdapter(command);
OleDbCommand insertCommand = connection.CreateCommand();
insertCommand.CommandText = "INSERT INTO Test (ID, name,last_name) VALUES (pID,pname,plast_name)";
}
foreach (DataRow
dr in ds.Tables["test"].Rows)
{
int id =
int.Parse(dr["ID"].ToString());
string name = dr["name"].ToString();
string last_name = dr["last_name"].ToString();
insertCommand.Parameters.Add("pID",
OleDbType.Integer, 4, ID);
insertCommand.Parameters.Add("pname",
OleDbType.VarChar, 50, name);
insertCommand.Parameters.Add("plast_name",
OleDbType.VarChar, 50, last_name);
insertCommand.UpdatedRowSource =
UpdateRowSource.None;
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Mar 1, 2010
Exporting DataTable data to CSV file. It is working fine as expected as long as the export records are less than 65,536. When the records are more than 65,536 , only 65,536 records are shown in CSV file (remaing records are not shown). When the export is done(with more than 65,536 records), opening the file shows below message window. File is not loaded completely. When the Ok button is selected, below text displayed...
This message can appear if: You are trying to open a file that contains more than 65,536 rows or 256 columns. To fix this problem, open the source file in a text editor such as Microsoft Word. Save the source file as several smaller files that conform to this row and column limit, and then open the smaller files in Excel. If the source data cannot be opened in a text editor, try importing the data into Microsoft Access, and then exporting subsets of the data from Access to Excel. You are trying to paste tab-delimited data into an area that is too small. To fix this problem, select an area in the worksheet large enough to accommodate every delimited item.
Notes: You can not configure Excel to exceed the limit of 65,536 rows and 256 columns. By default, Excel places three worksheets in a workbook file. Each worksheet can contain 65,536 rows and 256 columns of data, and workbooks can contain more than three worksheets if your computer has enough memory to support the additional data. Solution:- Seems like here is the suggested solution. But it takes ages to export and show data. An export is done about 15mins ago, still it is doing that. Has anyone managed to find/resolve this issue?
[Code]....
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When i export the data table to excel 2003 i get the output in a very fast manner and when i want to use the same in excel 2007 debugging gets stopped and nothing happens.... It does not show any errror on it to. When i slowly debugged i find that in saveas() it takes longer time and it seems like execution gets stopped in this process.
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May 7, 2015
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Mar 31, 2010
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this code work good.
string item_name;
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[Code]....
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I have tried using GridView control to display the data from SqlDataSource control but there are just so many columns and one of the fields contains a lot of texts so using GridView control to display the data does not look look since it goes out of the master template. I have tried using GridView control to display my data and use the following code to export as Excel but in case, there are just so many columns.
[Code]....
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[Code]....
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Jun 17, 2010
I have written the following ocde to save the data in to textfile.
using(TextWriter tw=new StreamWriter(file))
{
string refcode = txtReftypecode.Text;
tw.Write(refcode.PadLeft(1,'0'));
string priorcode = txtPrioritycode.Text;
tw.Write(priorcode.PadLeft(2, '0'));
tw.Write(txtImmediateddest.Text.PadLeft(2,'0'));
tw.Write(txtImmediateorg.Text.PadLeft(10,'0'));
string date=txtFilecreatdate.Text.Replace("/","");
tw.Write(date.PadLeft(6,'0'));
string time1=txtFilecreattime.Text.Replace(":","");
tw.Write(time1.PadLeft(4,'0'));
tw.Write(txtFileIDmodifier.Text);
tw.Write(txtRecsize.Text.PadLeft(3,'0'));
tw.Write(txtBlockingfac.Text.PadLeft(2,'0'));
tw.Write(txtFormatcode.Text.PadLeft(1,'0'));
tw.Write(txtImmeddestname.Text.PadRight(23,' '));
tw.Write(txtImmedorgname.Text.PadRight(23,' '));
tw.Write(txtRefcode.Text.PadRight(8,' '));
tw.WriteLine();
}
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Jan 24, 2016
I used this coding for export to excel, by using this coding i got only 65,536 rows only. How to bind more than 65,536 records or how to move the balace records to sheet 2 by using this method.
Protected Sub btnExportExcel_Click(ByVal sender As Object, ByVal e As EventArgs)
Dim ars_stock As New DataTable
ars_stock = cls.FillDataTable("select top 70000 * from spal..po_acc_details")
Response.Clear()
Response.Buffer = True
[Code] ....
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Sep 7, 2010
I'm exporting data to an excel sheet from the ojects list. The data is exporting to excel sheet well, but I'm unable to see the grid format for the data. The data is looking with out the rows and columns lines.I think I'm missing to set some property or somethnig ehwn exporting.
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