I found some code that looks like it will do what I want to do, but the code doesn't work.
[Code]....
The error seems to occur here: mytext.txt
Error Message is: unrecognized escape sequence
I think somehow the syntax with StreamReader is not quite right.
I did something similar in VB and it worked fine. I'm just beginning to learn C#; it's going to be a little while before the training wheels come off.
I have to read a client side ini file in Aspx page and use that data in server side processing. refer to a link or any sample if possible.
View 6 RepliesI have a text file with tab as delimiter. There are about 20 fields in the text file and the file size is about 150MB-200MB.
I need to filter out each row in the textfile based on its field criteria, For Eg: the i should ignore the particular row if the Field A is empty.
I know that by reading out the text file row by row it will be certainly slow.
how to read out the text file fast and also how to do the file processing for the read out text file?
I want to read and write a txt file but
The process cannot access the file 'D:BelgelerimVisual Studio 2005WebSitesmacrotechCounter.txt' because it is being used by another process.
what is wrong with this
StreamWriter FileWriter;
StreamReader FileReader;
string Countstr;
string str1;
int Len1,i;
FileReader = File.OpenText(Server.MapPath(Page.ResolveUrl("~/Counter.txt")));
FileReader = File.OpenText(Server.MapPath("~/Counter.txt"));
Countstr = FileReader.ReadLine();
FileReader.Close();
FileReader.Dispose();
i = Convert.ToInt32(Countstr) + 1;
Countstr = Convert.ToString(i);
FileWriter = File.CreateText(Server.MapPath("~/Counter.txt"));
FileWriter.WriteLine(Countstr);
FileWriter.Close();
I have a project of ASP.NET which is a Customer satisfaction Survey, i need to to incorporate the option selected by customer with the a client side text file which i located at the client machine, read a text file on client or should i develop the survey application as window application.
View 7 RepliesI have some code in my default.apsx.cs file that all works except one very small but important piece.. I have the same code in c# consoleapp and it works fine on my local machine.
Here is the code...
[code]...
When i try and run it through visual web developer it seems to feel the file doesnt exits so evaluates the if statement to false and moves. on... I havent specified a path and have the file in the same folder as the default.aspx.cs file.
How to read a text file and saved in data base
View 1 RepliesI have a txt file, in which read only property is true. When I try to write some text in that file through the vb coding, it's through the error. I have shown the code below.
Dim fs As FileStream = File.OpenWrite(HttpContext.Current.Server.MapPath("Include/CacheKeyFile.txt"))
Dim sw As New StreamWriter(fs)
sw.Write("Menu setup updated by " & value & " on " & DateTime.Now.ToString())
sw.Close()
fs.Close()
I found the cause of the error. If we set the Write access property to false, we can open the file and write it without showing the error messages.
I need to remove the Read only property for a file through the vb. Net code. Is it possible? Can we set the read only for txt file before open and write operation?
I want to read a text file and separate the data and write it back to another text file. So the input file content is like 07090000079011110225000 00001000100010118832 032111050111205011110501111022500000FL .... I know that first 3 characters are for CompanyID, next 2 are for Symbol etc. How Can I put it together? I used to write in VB code like this below using a Type and define the width there.(easy to maintain) How can I do that in VB.Net or c#?
[Code]....
So the output will be like CompanyID : 070 Symbol :90 .
How do I read/write a text file on another server from a web page.I get the error "Access to the path '//Server2/mydatafiles/test.txt' is denied". I do not get the error if I am running the browser on the server where the files exist.I think I need to set permissions on the destination server in some way.
View 4 RepliesI have a text file stored in my sql DB. in that .txt file I have certain numbers like:
99435
87889
33455
33555
34556
How to get the count of these numbers from the txtfile stored in the database? Also to read the file and fetch the number one by one in a string? I am using asp.net (C#)
I have a client who wants to read a text file and then output the contents word by word in a slideshow.
View 7 Repliesi am having my text file data as follows
101011111111101111111111007060540A0941
I would like read this data and place it to the Corresponding cell in data grid.
I would like ask you for some ideas how can I write mechanism that will be automatically read files from folder. I don't know how to schedule the write task. I want to check for new file everyday and if the new file is in the folder read it.
View 2 RepliesHow to read character by character in line from text file?
View 1 Repliesi write these in the events
but it dont work
{
Button1.Text = DropDownList1.Text;
Button1.Text = DropDownList1.Items[DropDownList1.SelectedIndex].ToString ();
}
[Code]....
Read Only Textbox Not Countin Text Length?
[Code]....
How do I make A, B and D navy blue?
Region
Stuff
Stuff
tried this just for one of the cells but it's not working what am I missing?
[Code]....
I think this is almost impossible but I would like to ask.
I have a dropdown in my page:
The Name Dropdown is combined with item name / manufacturer name
This is what I want to do:
When a manager select a name, The text on the dropdown change to only item name and read only. (example: 44 inch Side Brushes)
The Manufacturer Textbox automatically retrieves the manufacturer name and read only.
Currently we are saving files (PDF, DOC) into the database as BLOB fields. I would like to be able to retrieve the raw text of the file to be able to manipulate it for hit-highlighting and other functions.Does anyone know of a simple way to either parse out the files and save the raw text on save, either via SQL or .net code. I have found that Adobe has a filtdump utility that will convert the PDF to text. Filtdump seems to be a command line tool, and i don't see a way to use a file stream. And what would the extractor be for Office documents and other file types?-or-Is there a way to pull out the raw text from the SQL Full text index, without using 3rd party filters?Note i am trying to build a .net & MSSql solution without having to use a third party tool such as Lucene
View 5 RepliesI'm using a book to create a shopping site and need to change the following code so that the current dropdown list, of colour options, is replaced by just read only text. I'm a novice and despite best efforts I can't fathom it out. If anyone can change the code for me I would be extremely grateful.
The code below is the code-behind page for a Product List page where I want each product displayed to also display its colour options as just text (I don't need the shopper to select a colour choice until they click through to the detail page)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
public partial class UserControls_ProductsList : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
PopulateControls();
}
private void PopulateControls()
{
// Retrieve DepartmentID from the query string
string departmentId = Request.QueryString["DepartmentID"];
// Retrieve CategoryID from the query string
string categoryId = Request.QueryString["CategoryID"];
// Retrieve Page from the query string
string page = Request.QueryString["Page"];
if (page == null) page = "1";
// Retrieve Search string from query string
string searchString = Request.QueryString["Search"];
// How many pages of products?
int howManyPages = 1;
// pager links format
string firstPageUrl = "";
string pagerFormat = "";
// If performing a product search
if (searchString != null)
{
// Retrieve AllWords from query string
string allWords = Request.QueryString["AllWords"];
// Perform search
list.DataSource = CatalogAccess.Search(searchString, allWords,
page, out howManyPages);
list.DataBind();
// Display pager
firstPageUrl = Link.ToSearch(searchString, allWords.ToUpper() == "TRUE", "1");
pagerFormat = Link.ToSearch(searchString, allWords.ToUpper() == "TRUE", "{0}");
}
// If browsing a category...
else if (categoryId != null)
{
// Retrieve list of products in a category
list.DataSource =
CatalogAccess.GetProductsInCategory(categoryId, page, out howManyPages);
list.DataBind();
// get first page url and pager format
firstPageUrl = Link.ToCategory(departmentId, categoryId, "1");
pagerFormat = Link.ToCategory(departmentId, categoryId, "{0}");
}
else if (departmentId != null)
{
// Retrieve list of products on department promotion
list.DataSource = CatalogAccess.GetProductsOnDeptPromo
(departmentId, page, out howManyPages);
list.DataBind();
// get first page url and pager format
firstPageUrl = Link.ToDepartment(departmentId, "1");
pagerFormat = Link.ToDepartment(departmentId, "{0}");
}
else
{
// Retrieve list of products on catalog promotion
list.DataSource =
CatalogAccess.GetProductsOnFrontPromo(page, out howManyPages);
list.DataBind();
// have the current page as integer
int currentPage = Int32.Parse(page);
}
// Display pager controls
topPager.Show(int.Parse(page), howManyPages, firstPageUrl, pagerFormat, false);
bottomPager.Show(int.Parse(page), howManyPages, firstPageUrl, pagerFormat, true);
}
// Executed when each item of the list is bound to the data source
protected void list_ItemDataBound(object sender, DataListItemEventArgs e)
{
// obtain the attributes of the product
DataRowView dataRow = (DataRowView)e.Item.DataItem;
string productId = dataRow["ProductID"].ToString();
DataTable attrTable = CatalogAccess.GetProductAttributes(productId);
// get the attribute placeholder
PlaceHolder attrPlaceHolder = (PlaceHolder)e.Item.FindControl("attrPlaceHolder");
// temp variables
string prevAttributeName = "";
string attributeName, attributeValue, attributeValueId;
// current DropDown for attribute values
Label attributeNameLabel;
DropDownList attributeValuesDropDown = new DropDownList();
// read the list of attributes
foreach (DataRow r in attrTable.Rows)
{
// get attribute data
attributeName = r["AttributeName"].ToString();
attributeValue = r["AttributeValue"].ToString();
attributeValueId = r["AttributeValueID"].ToString();
// if starting a new attribute (e.g. Color, Size)
if (attributeName != prevAttributeName)
{
prevAttributeName = attributeName;
attributeNameLabel = new Label();
attributeNameLabel.Text = attributeName + ": ";
attributeValuesDropDown = new DropDownList();
attrPlaceHolder.Controls.Add(attributeNameLabel);
attrPlaceHolder.Controls.Add(attributeValuesDropDown);
}
// add a new attribute value to the DropDownList
attributeValuesDropDown.Items.Add(new ListItem(attributeValue, attributeValueId));
}
}
}
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();
}
Now i would like to represent the data in to the corresponding to text boxes when i open that text file.
I have an input type, so a text box which has a browse button next to it. When it is clicked, the file that is selected has it's full path placed into the text box.
<input type="file" runat="server" id="txtFilename" style="width:400px" />
Where is the event! Now that I have the path to the file in the textbox of the input type, I want to load each line of this file into a textbox that is able to handle multiline text. I don't want the file to be uploaded to the website. I just want to contents of the file read and placed in a textbox all with one click on the browse button.
I have an input type, so a text box which has a browse button next to it. When it is clicked, the file that is selected has it's full path placed into the text box.
<input type="file" runat="server" id="txtFilename" style="width:400px" />
Where is the event!
Now that I have the path to the file in the textbox of the input type, I want to load each line of this file into a textbox that is able to handle multiline text.
I don't want the file to be uploaded to the website. I just want to contents of the file read and placed in a textbox all with one click on the browse button.
i have saved a text file with a name batchheader.txt.
View 3 Replies
