I am trying to insert a string at a position for C# string, its failing here is the snippet.
if(strCellContent.Contains("<"))
{
int pos = strCellContent.IndexOf("<");
strCellContent.Insert(pos,"<");
}
Having a bit of trouble with a logon page I created using text boxes for a User ID number and a password.
Basically, my original design was to have a textbox for a username and one for a password. Due to some complications, I changed the username to the User ID number input and as such, the input credentials went from being a string to an integer. I've changed this successfully, however when I now type in a string, rather than the integer it requires, the page fails.
how to edit this so if a user enters a string value instead of a numeric value, an error message can show up on a label instead of the whole project coming to a halt because of an error?
Here's the code I have for the page so far, which does the job (apart from this problem!)
using System;
using System.Data;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Data.SqlTypes;
[Code]....
I am using the following code to convert any valid object, to a date time:
[Code]....
When i call this mehod from my web pages, using a blank("") value in TextBox.Text property as a parameter, the method is throwing an FormatException exception.
[Code]....
Ironically, the same method does not throw any exception with the same input when tried in a different machine.
Are there any regional setting that need to be modified in .NET 2.0 for this to work ?
P.S:
The method also works when called using a string variable, like
[Code]....
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I am using 1 textbox with a Ajax Calendar extender to allow my user's to select a date graphically (exp: 12/15/2009). I have another textbox for the hour and minutes in military time(exp: 15:30). I think i have the code to grab the data from the 2 textbox's and combine them to be inserted into the field (exp: 12/15/2009 15:30). Here is my insert code for the Field:
[Code]....
However unless I make all the fields Nullable the insert fails, on top of that none of the other field that I have selected on the Detailsview Insert or Edit are inserted into there fields. Half of my fields have to be non-null values. So how do I fix this?
I can supply additional vb code and the aspx code if needed.
This is the error I'm getting: Cannot insert the value NULL into column 'Operation_type', table '/GAOSDB.MDF.dbo.BC_Perf_Log'; column does not allow nulls. INSERT fails. The statement has been terminated.'
This is the first non-null column.
I need to get this figured out because I have 30 other web pages that will be utilizing the same approach.
I have a create account page and on the page I have one button to insert all the details into two seperate tables one of the tables Pictures is dependant on the User table 1:1 relationship via UserID.
I have written some code to try get the last insert id so I can insert into the pictures table:
[Code]....
I want to do is to get the record number in my database of the first record that matches my search. Its to skip to a random point in the database based on user input.
[Code]....
It returns the number of records that preceed the first one to match the string. I have tried to call this procedure from MVC and it always returns -1, so I have a fundamental problem there. I have also tried ot figure out how to just duplicate the code in MVC and I also cannot seem to get anywhere on that front.
Does anyone know a simple elegant solution to either embed this code diretly into MVC or to call my stored procedure from MVC and get the correct integer response back, instead of -1? I am engaged in relearning development after many years, so I am getting stuck on the basics.
I created a simple Http Module that starts a timer on the PreRequestHandler and stops the timer on the PostRequestHandler to calculate the time it took the page to load. I then create some simple html and write my results to Response.Write. Since I'm doing this in the PostRequestHandler it's adding my results after the </html> tag. That's fine for testing but I need in a scenario where the page needs to validate.
I can't seem to figure out how I could manipulate the Response object to insert my results before the </body> tag. Response.Write and Response.Output.Write don't have that flexibility and I couldn't see a way to work with the Response as a string. Am I missing something easy?
How to programatically insert string with special characters into RTF? I have rtf template I load to string and then replace all $MY_VARIABLE$ with data. Data contains special chars like 'ąęść' and the problem is that in result file these characters are replaced with '?'. It's something wrong with encoding but what?
My code looks like:
StreamReader reader = new StreamReader("template.rtf");
StringBuilder form = new StringBuilder(reader.ReadToEnd());
// here I replace variables in rtf with data
Encoding srcEncoding = new UTF8Encoding();
Encoding dstEncoding = new ASCIIEncoding();
byte[] utf = srcEncoding.GetBytes(form.ToString());
byte[] asci = Encoding.Convert(Encoding.UTF8, Encoding.ASCII, utf);
return dstEncoding.GetString(asci);
I want to insert string (name and value) with programmability.
View 6 RepliesI'm having some problems with the interface I've created. After some searching, I've discovered that it is inserting an empty string into my database fields as opposed to an null value. I need my application to insert null values, not emptry strings. Can someone provide an example of how this is done?
View 2 RepliesI am selecting data from database and in while loop, i want it store all data in one variable. How to do that? The variable selectAnswer is string array type .
I used this code but this give error. Modify this code.
string selectAnswer[] = new string[];
while (rdr.Read())
{
selectAnswer[] = rdr[0].ToString();
}
I am trying to insert an array into SQL with no luck. I get the string from a GPRS device that looks like this:
/WeightBridge.aspx?ReadeID=A1B5A0F5C4E4A1B5A0F5C4E4&TagID=45B6C56A90B645B6C56A90B6,A47B1256A45F0843,B49B1256A45F08FF,30 SEP 2010 21:33:59,I,&Custom=Vehicle Num
All I want to do is to split the TagID array and insert it with the rest of the string into a SQL table. The TagID array must inserted into the following colomns in the DB. TagID, TID, UserMemory, DateTime and Direction. After the insert I just give a response that the insert was successfull or failed. Thank you
My code this far:
[Code]....
I have a stored procedure that is close to working. It takes the values of a details view puts them into the respective table 'entity' then should also put the @@identity into 'entloan' and should put the LoanID which is in the query string of the page the detials view is loaded on, into the LoanID field of entLoan as well. Everything works except for getting the querystring value to pass to a insert variable on my stored procedure.
Stored Procedure
[Code]....
I do not have a LoanID Insert parameter set as it is not in entity table:
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I have been playing around with different code in the backend but always get errors:
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This is completely frustrating and probably embarrassing as well. A while back I posted a similar question and resolved the issue. [URL]...scope_identity The program has been working ever since, until yesterday when as it turns out SCOPE_IDENTITY() started returning an empty string even though a record is being inserted. I am not sure what has changed since the fateful day.
[Code]...
I am hoping that there is something I am just not seeing here. A lot of the information I have seen thus far indicates that there are problems with SCOPE_IDENTITY() but most of those are related to inserting multiple records. As you can see this should be fairly straight forward. The thing that really has got my goat is that it used to work and now it doesn't. If someone could take a look at the above code and comment on any anomalies it would be great. Also I have heard suggestions for switching to ADO.NET and it is beginning to look a lot more attractive every day. But I have a ways to go before making the switch so it is SqlDataSources for now
How to Convert empty string to Null value - Insert into a DB
[Code]....
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For coonverting Linq to DataTable I am using the following Extension Method(Taken from Stackoverflow)
L[code]....
The Extension Method creates XML file.But for null values no element is created in XML file.Say if Commission field is null then commission element is missing in Xml generation.
I want to insert element with empty string for null values (ref type) and (0.00) for decimals and (0) for integers. where do i need to make change?
How can I replace empty space in textbox with a dash (-) before form values are inserted?
[Code]....
I also tried using the datasource's Inserting method but neither works.
I am trying to insert data from a booking reservation into my database.
MySQL = "Insert into [RestaurantSteakHouse].[dbo].[reservation]([customerid],[reservationdate],[noofguests],[notes],[tableid]) values (" & id & ",'" + Session("ReservationDate") + "'," & Session("Noofguests") & ",'" + Session("Notes") + "','" + Session("TableId")
+ "');select @@identity"
Operator '&' is not defined for string "Insert into [RestaurantSteakHous" and type 'ListItem'.
I have a table1 with first column having: usjim, uskim, uspeter, john ....
I need to insert this column into table2 excluding us if contains any ( extract substring basically)
I have tried doing this but doesn't work
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I have an Insert into function returns the error Syntax error (missing operator) in query expression when text the single quote is send to the access db from a form.
' I need to replace this with the ascii ' before the query is sent.
here is the scode
<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<%Response.Buffer=True%>
<!-- #include file="Conn.asp" -->
[Code].....
here I need to handle fields having the only character is the single quote
I m facing some problem. i m not passing Dynamic string through query string..
I m using this code
string abc = "CPCB_" + TextBox1.Text + "_" + TextBox2.Text;
Response.Write("<script>window.open('xml.aspx?Flag=3&date='+abc,target='new');</script>");
i facing a problem to change the date format at gridview display.
below is my coding:
[code]....
on VWD 2005 this code works fine, but on 2008 it says I haven't created an instance of the object. I want to convert the object connString (a connection string) into a string.
'This acceses the virtual directory web.config file for connection strings
'We have to convert the object to a connection string
Dim rootWebConfig As System.Configuration.Configuration
rootWebConfig = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("/VirtualDirec")
Dim connString
As System.Configuration.ConnectionStringSettings
connString = rootWebConfig.ConnectionStrings.ConnectionStrings("ConnectString1")
Dim strConnString
As
String = connString.ToString().......
I'm concatenating a string in codebehind to use in a sql select statement.
in aspx
<asp:Label ID="LabelHidden" runat="server" Visible="False"></asp:Label>
SelectCommand="SELECT * FROM [Data] WHERE [ActivityName] IN (@ActivityName) AND ([ID] = @ID)"
<SelectParameters>
<asp:ControlParameter ControlID="DropDownList_Employees" Name="ID"
PropertyName="SelectedValue" Type="Int32" />
<asp:ControlParameter ControlID="LabelHidden" Name="ActivityName"
Type="String" />
</SelectParameters>
in codebehind
foreach (ListItem li in ListBox_Activities.Items)
{
if (li.Selected)
{
queryBuilder += li + "', ";
}
queryBuilder = queryBuilder.Substring(0, queryBuilder.Length - 1);
LabelHidden.Text = queryBuilder;
When i run the code it comes up blank. I did a query trace and it seems to be running as
exec sp_executesql N'SELECT * FROM [Data] WHERE [ActivityName] IN (@ActivityName) AND ([ID] = @ID)',N'@EmployeeID int,@ActivityName nvarchar(50)',@EmployeeID=4,@ActivityName=N'Production Technical Support'', Tools Development'','
with exta "'s
How can i format the queryBuilder string correctly in my code?
//Read string contents using stream reader and convert html to parsed conent var parsedHtmlElements = HTMLWorker.ParseToList(new StringReader(contents), null);
//Get each array values from parsed elements and add to the PDF document foreach (var htmlElement in parsedHtmlElements) pdfDoc.Add(htmlElement as IElement);
//Close your PDF pdfDoc.Close(); Response.ContentType = "application/pdf";
//Set default file Name as current datetime Response.AddHeader("content-disposition",
[Code] ....
Error: Input string was not in a correct format. Contents in html file giving error ...