.NET Tutorials, Forums, Interview Questions And Answers
Welcome :Guest
Sign In
Register
 
Win Surprise Gifts!!!
Congratulations!!!


Top 5 Contributors of the Month
Kaviya Balasubramanian
Sgraph Infotech
Imran Ghani
Post New Web Links

Read from and write to Data Base an Image

Posted By:      Posted Date: September 14, 2010    Points: 0   Category :ASP.Net
 
Hi guys. How can I show a saved picturs from data base into a Image control? And how can I save an Image from my web page into data base? (with less code pleeeaaase.)


View Complete Post


More Related Resource Links

Creating a SharePoint 2010 Web Part That Can Read and Write Data to an External Data Source

  
Learn to use Visual Studio 2010 to create a Visual Web Part that uses a BCS external content type in SharePoint Server 2010 to read and write data to the AdventureWorks sample database.

Sample: Creating a SharePoint 2010 Web Part That Can Read and Write Data to an External Data Source

  
Explore the code in this visual how-to article as you learn to use Visual Studio 2010 to create a Visual Web Part that uses a BCS external content type in SharePoint Server 2010.

Read data from BLOB field and write to sharepoint list

  
Hi, I want to read the data from BLOB field and write it into sharepoint list item. Please provide some pointer to archive above objective.   Thanks in Advance.

data view web part - read and write using web service

  
Hi I am looking for an example on "Data View Web Part" in WSS 2010 to read and write data from a web service that I have written and then update the database. or if you have a any better way of doing this function of reading and writing data to and from "Data View Web Part" in WSS 2010. Thanks heapes in advance. Kind Regards,  sword

Read and Write data from/to BLOB in MS SQL using Visual C++ and OLE DB

  

Hi, can you help me? I am looking for good example how to insert and get data from BLOB in MS SQL Server 2008. I am using OLE DB and Visual C++ (MFC)

I have found this article: Sending BLOB Data to SQL SERVER Using IROWSETFASTLOAD and ISEQUENTIALSTREAM

But it is formatted terribly.

Do you now any good example?

Thanks a lot

 


Serial Port Communication Read and Write using C#.net

  
In this simple article you will learn that how you can Open and read COM port data using System.IO.Ports Namespace.
Simply just create New Project of windows application in C#.

Import ServiceProcess APIs
C#:
---
using System.IO.Ports

VB
Imports System.IO.Ports

Write Parsing functions which parse port data according to attached device

Crystal Report gives System.AccessViolationException: Attempted to read or write protected memory. T

  

when a crystal report for same id is opened again at same time or refreshed then it gives the

"System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt."


Stack Trace is :-


Stack Trace:

[AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.]
CrystalDecisions.ReportAppServer.Controllers.DatabaseControllerClass.SetConnectionInfos(ConnectionInfos ConnectionInfos) +0
CrystalDecisions.CrystalReports.Engine.Table.ApplyLogOnInfo(TableLogOnInfo logonInfo) +362
CrystalDecisions.CrystalReports.Engine.ReportDocument.SetTableLogon(Tables tables, String user, String password, String server, String database, Boolean ignoreCase) +258
CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDatabaseLogon(String user, String password, String server, String database, Boolean ignoreCase) +204
CrystalDecisions.

how read write cookies in asp.net

  

hi please give me code for read write cookies in  asp.net



thanks,


kaushik


change calendar date backColor base on data from db

  

I want to  change calendar date backColor base on data from db,  I only have vistual 2003 !

on mean time I have

<asp:DataGrid id="DataGrid1" style="Z-INDEX: 102; LEFT: 23px; POSITION: absolute; TOP: 271px"
		    runat="server" Font-Size="XX-Small" Font-Names="Verdana" AutoGenerateColumns="False" Visible="False">
		    <Columns>
           <asp:BoundColumn DataField="subject" HeaderText="Title"></asp:BoundColumn>
           <asp:BoundColumn DataField="posttimestart" HeaderText="Post date"></asp:BoundColumn>
           </Columns>
		    </asp:DataGrid>


 

Sub DayRender(ByVal source As Object, ByVal e As DayRenderEventArgs)
        Dim i As Integer
        For i = 0 To DataGrid1.Items.Count - 1
            If (DataGrid1.Items(i).Cells(1).Text = e.Day.Date) Then
                e.Cell.BackColor = Color.DarkOrange

            End If
        Next


       
    End Sub

when I click the day wich have data in db it change  color , but I want the page load it change color !

Thank you!


Store Null Data In image datatype in sql server 2005

  

hi

i wanted to store image in sqlserver database image field and i did. But now in some cases i want to store null value in that image field please let me know how to do this using file uploader.please give complete sample code.


regards


System.InvalidOperationException: Invalid attempt to read when no data is present.

  

Invalid attempt to read when no data is present.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 

Exception Details: System.InvalidOperationException: Invalid attempt to read when no data is present.

Source Error: 

Line 53:             if (reader.HasRows)
Line 54:             {
Line 55:                 Response.Write(reader.GetString(0));

Here is my code:

System.IO.IOException: Unable to read data from the transport connection

  
Hello,   I have an xml webservice calling another xml web service and occasionally i get the following error - any ideas why?Does this happen when the request is made or when reading the response? Also how i can prevent it from happening? Thanks   System.IO.IOException: Unable to read data from the transport connection: A blocking operation was interrupted by a call to WSACancelBlockingCall. ---> System.Net.Sockets.SocketException: A blocking operation was interrupted by a call to WSACancelBlockingCall   at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)   at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)   --- End of inner exception stack trace ---   at System.Net.ConnectStream.Read(Byte[] buffer, Int32 offset, Int32 size)   at System.IO.StreamReader.ReadBuffer(Char[] userBuffer, Int32 userOffset, Int32 desiredChars, Boolean readToUserBuffer)   at System.IO.StreamReader.Read(Char[] buffer, Int32 index, Int32 count)   at System.Xml.XmlTextReaderImpl.ReadData()   at System.Xml.XmlTextReaderImpl.InitTextReaderInput(String baseUriStr, TextReader input)   at System.Xml.XmlTextReaderImpl..ctor(String url, TextReader input, XmlNameTable nt)   at System.Xml.XmlTextReader..ctor(TextReader input)   at System.Web.Services.Protocols.SoapHttpClientProtocol.GetReaderForMessage(SoapClientMessage message, I

SslStream.Read() - Returns invalid data

  
Hey,I am currently attempting to implement a multi-threaded C# socket, using SSL (.pem file/certification/private key combo) server using Visual Studio C# Express.I have successfully made the client application establish a connection, and send data, which appears in plain, de-crypted text on the server - this works.However, I am 'polling' the socket to see if data is available to read.Here is some code which is appropriate:----        public void Process(int threadId)        {            int BytesRead = 0;            try            {                Master.Log("BEGIN READ");                sslStream.ReadTimeout = 5000;                BytesRead = sslStream.Read(bytes, 0, bytes.Length);                Master.Log("READ " + BytesRead + " bytes");                if ( BytesRead > 0 )                {                   // process                }             } catch (IOException e) {                Log("Caught IOException: " + e.Message);                if (e.InnerException != null)                    Log("=========> INNER IOException: " + e.InnerException.Message);         }---- Here is some console output when running the application:---------LOG: Authentication successfulLOG: BEGIN READLOG: READ 140 bytesLOG: [Thread 0] [Client 1] [Address 127.0.0.1] Client.ProcessDataReceived()Text received from client: Testing

Cannot read the next data row for the data set

  
Hi, My report runs fine when I view in VS, data shows fine when I run the query in the data window, but when I publish it to the server, I get the above error. I am running SQL server 2005 RTM and I have re-deployed the entire solution. Any ideas?

read data from excel

  
hi all,i had 2 columns in the excel file one is SNo and another Descriptionlooks like belowSno                         Description1                              1/2 Feet2                               1/5 Feet3                              204                               30i read the data from this file using below codestring strFileName = FileUpload1.PostedFile.FileName;            string connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + strFileName + ";" + "Extended Properties=Excel 8.0;";            OleDbC

Not able to read Config File data in Windows Service

  
While I'm trying to read connection string which is in App.Config file I'm getting error like "Object reference not set to an instance of an object." string strconn = System.Configuration.ConfigurationManager.AppSettings["ConnectionString"].ToString(); For the windows service where I need to keep app.config file and how to integrate that config file with the windows service exe file. Thanks in advance.

ssis sql 2000 image to 2008 varbinary Failed to retrieve long data for column

  
Hi, I have a task that to migrate the image type column from sql 2000 to varbinary type in sql 2008. The source column having 3812353 max datalength size for the column. The package always failed with following error message. [OLE DB Source [13177]] Error: Failed to retrieve long data for column "attch_file_content_t". [OLE DB Source [13177]] Error: There was an error with output column "attch_file_content_t" (13209) on output "OLE DB Source Output" (13187). The column status returned was: "DBSTATUS_UNAVAILABLE". [OLE DB Source [13177]] Error: SSIS Error Code DTS_E_INDUCEDTRANSFORMFAILUREONERROR. The "output column "attch_file_content_t" (13209)" failed because error code 0xC0209071 occurred, and the error row disposition on "output column "attch_file_content_t" (13209)" specifies failure on error. An error occurred on the specified object of the specified component. There may be error messages posted before this with more information about the failure. Meng Chew
Categories: 
ASP.NetWindows Application  .NET Framework  C#  VB.Net  ADO.Net  
Sql Server  SharePoint  Silverlight  Others  All   

Hall of Fame    Twitter   Terms of Service    Privacy Policy    Contact Us    Archives   Tell A Friend