Vb.net - .NET Dynamic Data Running As Read-Only?
Jun 2, 2010
I've created a new ASP.NET Dynamic Data website and have used LINQ-to-SQL for the framework. I start up the application and it displays my tables fine and I can browse them - but it doesn't give me any create/update/delete abilities - all I can do is read? I didn't change anything from the defaults - what gives?
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Jan 4, 2013
my form is having a label and a button, assume that you opened my website in ur system through url and now when u click the button it has to read a text file from the specified path in ur machine and display the data in label. i mean whatever machine is running my program it has to read the data from specific path from current running client machine.
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May 7, 2015
How to read values of asp: table in grid view after binding.
I want to get values one by one in label in for loop and read values of table row one by one.
Like if i put check box in gridview and the row which is selected , i want to read value that asp:table in gridview.
How I bind grid, code attached.
Private Sub gvTransactionsBind(ByVal qry As String)
Dim adp As New SqlDataAdapter(qry, ConString)
adp.SelectCommand.CommandType = CommandType.Text
Dim ds As New DataSet
adp.Fill(ds)
gvTransactions.DataSource = ds
[Code] ....
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Jan 25, 2011
i am creating dynamic textbox onRowCreated event and its creating without any issue but the question is how to read value of created textbox when the use hit on update button?
here is my code:
[Code]....
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Jan 8, 2011
I have gridview created dynamical and added text box to the footer so I can insert into the gridview but I'm using findcontrol but it saying the value is null.
front end
[Code]....
Backend
[Code]....
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Oct 1, 2010
I used PopupControl Extender to display row details from a gridview, and need to update the two textboxes, but the changed value in the textboxes did not get picked up when click the update button on the popup window, so I need to get client side javascript to read the new changed value from these text boxes. However, I tried a few way, none worked for me, not sure what is wrong.
1. Add a javascript function in the .aspx file and use onclientclick of the linkbutton control to call the function, I got error of "Microsoft JScript runtime error: Object required".
<script language="javascript" type="text/javascript">
function newTextValue(textbox)
{
var text = document.getElementById("TextBox1").Value;
alert(text);
}
</script)
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("GalleryTemplateName") %>' Height="20px" Width="230px"
style="text-align: left"></asp:TextBox>
<asp:LinkButton ID="LinkButton2" runat="server" Font-Bold="True" CommandArgument='<%# Eval("GalleryTemplateId") %>'
oncommand="LinkButton2_Click" OnClientClick="newTextValue(this)" >Update</asp:LinkButton>
2. Use ScriptManager.RegisterClientScriptBlock in the aspx.cs file, :
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "changevalue", "alert(document.getElementById('TextBox1').value);", true);
but the alert window did not showup, that means the client javascript did not run? I just use an alert window to test to see if the textbox value is picked up. Note, I used Ajax Toolkit PopupControl Extender, all codes are in an update panel.
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Dec 21, 2010
I have created some dynamic textboxes with standard content.Does anyone know how can I read the content of these textboxes (assuming that user modified the standard content) when I press one button?This is how I am creating the textboxes:
foreach (string name in listOfNames)
{
TextBox tb = new TextBox();
tb.Text = name;
tb.BorderStyle = BorderStyle.None;
tb.BorderWidth = 0;
tb.Font.Name = "Arial";
tb.Font.Size = 8;
}
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Jul 1, 2010
I am executing a long-running Oracle stored procedure from .NET. The procedure takes about three hours to run. Ideally, the user should be able to kick off the procedure, close the browser, and come back later to check the results.
The problem is that the connection to the Oracle procedure is lost after exactly an hour. As you would expect, the Oracle procedre runs to completion if it is executed from SQL Plus. Strangely enough, it will also run to completion if I run in debug mode on my local machine (I start two threads, one of which executes the procedure. I set a breakpoint on the second thread).
Here is my connection string:
data source= (DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=serverx)(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=TestSID)))
Some relevant sections from web.config:
<sessionState mode="InProc" cookieless="false" timeout="3000" stateNetworkTimeout="72000"/>
<httpRuntime executionTimeout="18000" maxRequestLength="2097151" />
Any thoughts as to why the connection is being lost in exactly an hour, and what I can do to maintain the connection until the procedure finishes?
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Aug 10, 2010
I have a dynamic Table which contain 8 rows and 8 Colums
Table t = new Table();
TableRow rr = new TableRow();
TableCell cc = new TableCell();
and in the each Cell CC I add a dynamic Button(Or Linkbtn)
LinkButton LB1 = new LinkButton();
LB1.Text = "AM";
LB1.ID ="Link1";
cc.Controls.Add(LB1);
rr.Cells.Add(cc);
LB1.Click += new EventHandler(LB1_Click);
t.Rows.Add(rr);
i have a table with 8 rows , 8 colums and each cell contain a LinkButton (which diffrent in IDs) I want to add Lable in the same cell of this LinkBtn(LB1) which it clicked but I cann't What shoud I write here?
void LB1_Click(object sender, EventArgs e)
{
// throw new NotImplementedException();
}
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Dec 11, 2013
I have a Webform with a TextBox (Static) and 3 TextBox (Dynamic - based on the following article: [URL].... )
How to use this scenario with a single GridView table?
Based on the User input, the GridView might have (1 + 3) columns; (1 + 6) columns; (1 + 9) columns; ...etc.
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Jul 24, 2013
im creating dynamic buttons on page load and on the click event of button1 handlere iam creating more buttons this is going fine but on click event of button 2 work is not done so how to maintain a chain of creation of button on click events
protected void Button2_Click(object sender, EventArgs e)//
{
ClientScript.RegisterClientScriptBlock(this.GetType(), ((Button)sender).ID, "<script>alert('Button_Click');</script>");
Response.Write(DateTime.Now.ToString() + ": " + ((Button)sender).ID + " was clicked");
}
protected void Button_Click(object sender, EventArgs e)//this button click will call all the items related to department
[code]....
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Apr 1, 2011
I have a loop which creates for each item ID a Dynamic created checkboxlist control
how do I create a dynamic validation control on a dynamic checkboxlist?
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Oct 9, 2010
If there's a better way to accomplish what I'm attempting I haven't found it yet. That being said, I have create a gridview like the one here,[URL]And with some minor tweaking it working great for all my fields, checkboxes, etc. The issue is my last column is another gridview, and I'd like it to function the same. that is, a dynamic gridview inside of a dynamic gridview. I get that I have to create it initially with null values or it won't show up. I guess what I'm having trouble figuring out is instead of go will null data in the parent gridviews column, do I place my blank child gridview. Do I create and bind the child gridview first, or second. Generally just not sure. Also, as far as storing the data from the child gridview goes, will each one need it's own datatable?
[Code]....
[Code]....
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Jul 21, 2010
Read Receipt And Read Outlook Inbox for the same
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Sep 21, 2010
I'm working on a small standalone .NET app needs to refer to some tabular data and its only just selects and at most these tables have 250 records. Previously developers have used a SQL server database. Would I get a performance advantage if I simply convert the table data to XML and read from that? Also is there any kind of performance advantage over keeping database files in the App_Data folder for ASP.NET and attaching them dynamically as opposed to managing them separately? And this is probably a silly question, but if I do it that way does it mean that I don't have to install SQL server separately on the client's computer?
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Jan 4, 2010
I am displaying selectable rows in a gridview. The selected row uses a stored procedure to display all the fields in a formview when the Select button is clicked.
Only a small subset of the fields in the selected row are editable. When I click the Edit button only the EditItemTemplate fields show up, the read-only fields from the ItemTemplate disappear. I want the read-only rows to remain visible with the editable rows.
If I include the read-only fields in the EditItemTemplate, I get an error when I click Update on the FormView. The error states that there are too many parameters being passed to the stored procedure to update fields. How can I continue to show the read-only fields with the editable fields on the FormView and avoid getting the input parameter error on the stored procedure for the Update command?
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Jul 7, 2010
i 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.
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Sep 20, 2010
I have NHibernate sessions cached in the ASP.NET session.
I came across a situation where a user edited an object so it's in their first level cache in the ISession. Another user then edited the same object.
At this point User1 still sees their original version of their edits where as User2 sees the correct state of the object?
What is the correct way to handle this without manually calling session.Refresh(myObj) explicitly for every single object all the time?
I also have a 2nd level cache enabled. For NHibernate Long Session should I just disable the first level cache entirely?
Edit: Adding some more terminology to what I'm looking to achieve from 10.4.1. Long session with automatic versioning the end of this section concludes with
As the ISession is also the (mandatory) first-level cache and contains all loaded objects, we can propably use this strategy only for a few request/response cycles. This is indeed recommended, as the ISession will soon also have stale data.
I'm not sure what kind of documentation this is for it to include both probably and then immediately say the session will have stale data (which is what I'm seeing).
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Oct 14, 2010
<hiddenSegments applyToWebDAV="true">
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Mar 3, 2011
in tat i was binding the table values like name,price and two textboxes for quantity and another one for total textbox for calulating total depends on quantity with price.
in my database table i have a row that contains minimum quantity=50 and maximum quantitiy=99 and price=0.66.and the min and max qty with price value varies.
i.e) if i enetring some quantites for example 51 during tat time it will fetch the between 50 to 99 price .ie)0.66 and caluclate the total value according to the quantity price i.e)51*0.66 and displayed in total textbox..
i dont want to use button to calculate the total value for each rows.
i entered the quantity at the same time the total will be calculated according to the quantity price.
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Jul 29, 2010
I have a bulk editable gridview. I want to find a way of keeping a running total up to 100 in each row when the user is entering values into the editable columns. I then want to save this data.
The running total column (Total) is a bound column and not editable by the user.
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Jun 23, 2010
I am uploading images to database....but only error that I am getting at this point when I run it is for.....
DataSource.InsertParameters.Add("MIMEType", MIMEType)
The error for the above line is Object not set to an instance of an Object look over the code an see if you can see what is wrong.
Protected Sub Button_Insert_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button_Insert.Click
'Make Sure a file has been successfully Uploaded
If FileUpload_Image1.PostedFile Is Nothing OrElse String.IsNullOrEmpty(FileUpload_Image1.PostedFile.FileName) OrElse FileUpload_Image1.PostedFile.InputStream Is Nothing Then
Label_ErrorMessage.Text = "Error"
Else
Label_ErrorMessage.Text = "No Error"
'Exit Sub
End If
'Make sure we are dealing with a JPG or GIF file
Dim extension As String = Path.GetExtension(FileUpload_Image1.PostedFile.FileName).ToLower()
Dim MIMEType As String = Nothing
Select Case extension
Case ".gif"
MIMEType = "Image/gif"
Case ".jpeg", ".jpe"
MIMEType = "Image/jpeg"
Case ".png"
MIMEType = "Image/png"
Case Else
Label_ErrorMessage.Text = "Invalid Type"
'Exit Sub
End Select
Dim DataSource As New SqlDataSource()
DataSource.ConnectionString = ConfigurationManager.ConnectionStrings("ConnectionString").ToString
DataSource.InsertCommandType = SqlDataSourceCommandType.Text
DataSource.InsertCommand = "Insert Into ClassifiedImages (Title, DateUploaded, MIMEType, ClassifiedId) Values (@Title, @DateUploaded, @MIMEType, @ClassifiedId)"
DataSource.InsertParameters.Add("Title", "Images For Classified Ad" & " " & Request.QueryString("ClassifiedId"))
DataSource.InsertParameters.Add("DateUploaded", DateTime.Now)
DataSource.InsertParameters.Add("MIMEType", MIMEType)
DataSource.InsertParameters.Add("ClassifiedId", Request.QueryString("ClassifiedId"))
Dim ImageBytes(FileUpload_Image1.PostedFile.InputStream.Length) As Byte
FileUpload_Image1.PostedFile.InputStream.Read(ImageBytes, 0, ImageBytes.Length)
DataSource.InsertParameters.Add("ImageData", ImageBytes.ToString)
Dim RowsAffected As Integer = 0
Try
RowsAffected = DataSource.Insert()
Catch ex As Exception
Response.Redirect("AddImagesProblem.aspx")
End Try
If RowsAffected <> 1 Then
Response.Redirect("AddImagesProblem.aspx")
Else
Response.Redirect("AddImagesSuccess.aspx")
End If
End Sub
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Mar 4, 2010
I am reading data from Excel file using oledbdataadapter and binding to gridview.Every thing working fine.but if the cell is having some text along with bar sysmol ( | ) [Ex : 12345 | 789123] that cell data is not reading from excel file.All fileds in excel sheet is text format only.Some times it's reading correctly & some times it not reading(empty).Is there any problem with bar symbol ( | )
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Dec 10, 2010
Mr requirement is i am uploading a .txt file and read that .txt file and bind that data to ASP.NET Gridview control. My .txt file is look like below:
% Compressor type: GT12 C224(38) 55 Trim 0.38 A/R
% Turbine type: GT12 T202(35.5) 72 Trim 0.39 A/R
% Initial data file name:20050669-02.cdt
% Polar inertia: [kg.m2]
% Comment:DATA REDUCTION CODE REV 2.04 RELEASE 03-OCT-2004 (REFERENCE: REPORT 99-0145. REPORT 03-0901. TI-056)
% P reference: 100000Pa - T reference: 298 K
% NC WC PRC ETAC
% RPM KG/S T-T ----
115030.5714 0.0170 1.3398 0.5698
115030.5714 0.0239 1.3209 0.6155
115030.5714 0.0291 1.3020 0.6282
115030.5714 0.0339 1.2822 0.6377
115030.5714 0.0380 1.2576 0.6209
115030.5714 0.0416 1.2311 0.5955
134956.4286 0.0405 1.4045 0.6852
How to read this file and bind data to gridview control.
Right now i am using the following code but it stores whole data in a single column and a single row but i need it in four columns named NC, WC, PRC,ETAC and it's values in respected columns.
Code:
protected void Button1_Click(object sender, EventArgs e)
{
String ext = System.IO.Path.GetExtension(FileUpload1.FileName).ToUpper();
if (ext == ".TXT")
{
String content = System.Text.Encoding.ASCII.GetString(FileUpload1.FileBytes);
String[] ar = content.Split(';');
GridView1.DataSource = ar;
GridView1.DataBind();
}
}
how to get data in four columns in Gridview as a tabular format. I am using technologies Visual Studio 2005, ASP.NET 2.0,C#.NET 2.0 and Windows Xp Operating system.
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Dec 8, 2010
how can we read all rows data in rowcommand event of gridview?
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