DataSource Controls :: An Unhandled Exception Of Type 'System.InvalidOperationException' Occurred In System.Xml.dll
Jun 8, 2010An unhandled exception of type 'System.InvalidOperationException' occurred in System.Xml.dll
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Web Forms :: An Unhandled Exception Of Type 'System.StackOverflowException' Occurred In MyLibrary.DLL
Mar 30, 2010here`s my problem that i don`t know how to fix it
An unhandled exception of type 'System.StackOverflowException' occurred in libraryBLL.DLL
A First Chance Exception Of Type 'System.Data.Odbc.OdbcException' Occurred In System?
Jul 6, 2010I have been trying to get the data display on the datagrid after selecting a customer.
With the same connection it populates the selection right. But just do not seem to extract the following SQL.
The litABC is to check the flow of control.
There is no syntax error but in the debug menu,
I got A first chance exception of type 'System.Data.Odbc.OdbcException' occurred in System.
Where did I do wrong?
[code]....
First Chance Exception Of Type 'System.Data.SqlClient.SqlException' Occurred In System
Nov 25, 2010When i fill my sql adapter daAuthors.Fill(dsPubs, "MYTable") sometime i get A first chance exception of type 'System.Data.SqlClient.SqlException' occurred in System.Data.dllmy code can run for a lot hours without any problems but sometime i get the message
View 1 RepliesDataSource Controls :: System Resource Exceeded - Unhandled Exception
Jun 15, 2010I am reading records from ms-access 2003 and inserting into MySql Database daily. Sometimes I am getting "System.Data.OleDb.OleDbException: System resource exceeded" unhandled exception with dilalog box. When I click continue,it is working fine. But why that error message coming regularly.
View 3 RepliesSQL Server :: An Exception Of Type 'System.Data.SqlClient.SqlException' Occurred And Was Caught?
Oct 17, 2010When the Stored procedure is executed through SQL Server Management Studio, its taking 23 seconds,When the same Stored proc is called through web app, its throwing below copied exception. It is noticed that when the data is more than 100k records this exception is thrown other wise expected records are shown in UI. Another stored proc from the same app returns over 150k records without any excetpion. Can't conclude that the exception is in Stored proc, because it works from SQL Server Management studio, but throws below exception from Web app.
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WCF / ASMX :: ServerVersion = 'Conn.ServerVersion' Threw An Exception Of Type 'System.InvalidOperationException'?
Oct 22, 2010I have a web service which tries to connect to the SQL server.It uses Integrated security = true.I get the Conn.ServerVersion threw an exception of type System.InvalidOperationException as soon as the connection object is instatiated.
View 2 RepliesDataSource Controls :: Unable To Cast Object Of Type '<TakeIterator>d__3a`1[System.Char]' To Type 'System.Collections.IList'
Jan 2, 2010I want to do paging the API Membership without using the datacontrols, but I get this error "Unable to cast object of type '<TakeIterator>d__3a`1[System.Char]' to type 'System.Collections.IList'." when I do this,
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DataSource Controls :: Unable To Cast Object Of Type 'System.DBNull' To Type 'System.String'
May 28, 2010I am trying to write a table output from SQL database to a gridview/ Data List through an Object Data Source. I am a new starter and your help will be useful.
public List<Staff> GetStaff()
cmd.CommandType =
SqlConnection con =
new
SqlConnection(connectionstring);SqlCommand cmd =
new
[code]...
DataSource Controls :: How To Handle Error Unhandled Exception Occurred During The Execution
May 31, 2010string connectionstring = WebConfigurationManager.ConnectionStrings["AdventureWorks"].ConnectionString;
SqlConnection con = new SqlConnection(connectionstring);
DataSet ds = new DataSet();
DataRelation dr = new DataRelation("show", ds.Tables["HumanResources.Employee"].Columns["EmployeeID"], ds.Tables["HumanResources.EmployeeAddress"].Columns["EmployeeID"],false);
ds.Relations.Add(dr);
foreach (DataRow row1 in ds.Tables["HumanResources.Employee"].Rows)
{
Response.Write("customertitle:" + row1["Title"].ToString());
foreach (DataRow row2 in row1.GetChildRows(dr))
{
Response.Write("customer add" + row2["ModifiedDate"].ToString());
}
}
Object reference not set to an instance of an object. 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.NullReferenceException: Object reference not set to an instance of an object. Source Error:
[Code]....
Line 31: Line 32: DataSet ds = new DataSet();Line 33: DataRelation dr = new DataRelation("show", ds.Tables["HumanResources.Employee"].Columns["EmployeeID"], ds.Tables["HumanResources.EmployeeAddress"].Columns["EmployeeID"],false);Line 34: //ds.Tables["HumanResources.Employee"].ParentRelations.Add(dr);Line 35: ds.Relations.Add(dr);
Source File: d:databaseDataset showing selected
field of 2 tables.aspx.cs Line: 33
Stack Trace:
[Code]....
[NullReferenceException: Object reference not set to an instance of an object.] dataset__with_two_tables.Page_Load(Object sender, EventArgs e) in d:databaseDataset showing selected field of 2 tables.aspx.cs:33 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +33 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +47 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1436
DataSource Controls :: System.Security.SecurityException: Request For The Permission Of Type "System.Data.SqlClient.SqlC"
Jul 12, 2010in my web project i got an error that i couldnt find any solution. the error says: System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. when i work in local there were no problem i put files to our server and i changed the database also. when i work in server in web application in Default.aspx i can connect db and get values without any problem using my DataLibrary
BUT the problem in my web service i also use my DataLibrary in webservice but when i try to run a method in web service it gives me the error which is : System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
my new db connection is
strConnectionString = "Data Source=OURSERVERNAME\SQLEXPRESS;Initial Catalog=DoveTR;Persist Security Info=True;User ID=sa;Password=123456789;Pooling=True";
Forms Data Controls :: Unable To Cast Object Of Type 'System.Web.UI.LiteralControl' To Type 'System.Web.UI.WebControls.TextBox'
Jan 5, 2010Unable to cast object of type 'System.Web.UI.LiteralControl' to type 'System.Web.UI.WebControls.TextBox'.
[code]....
Forms Data Controls :: Unable To Cast Object Of Type 'System.DBNull' To Type 'System.String'.
Oct 1, 2010Basically, what I did is that: I have a table in SQL database and some of data fields allow null. I built Objectdatasource through dataset. When I built update page using dataset. It generate the following error before showing the update page correctly. It seems I have issue to retrieve the null value from the database through using objectdatasource through dataset. Any suggestions?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
View 6 RepliesForms Data Controls :: >>Object Of Type 'System.Boolean' Cannot Be Converted To Type 'System.Byte[]'?
Sep 30, 2010I am trying to upload a picture into database using FormView insertItemTemplate. FormView is bounded by objectdatasource.To upload, I placed FileUpload control inside insertItemTemplate.In table the dataType is image.Error:Object of type 'System.Boolean' cannot be converted to type 'System.Byte[]'.
View 3 RepliesFluent Nhibernate System.ApplicationException : For Property 'Id' Expected '1' Of Type 'System.Int32' But Got '2' Of Type 'System.Int32'
Jul 6, 2010I am writing unit tests for fluent Nhibernate, when I run the test in isloation it passes, but when I run multiple tests. or run the test more than once it starts failing with the message below System.ApplicationException : For property 'Id' expected '1' of type 'System.Int32' but got '2' of type 'System.Int32'
[TextFixture]
public void Can_Correctly_Map_Entity()
{
new PersistenceSpecification<UserProfile>(Session)
.CheckProperty(c => c.Id, 1)
.CheckProperty(c => c.UserName, "user")
.CheckProperty(c => c.Address1, "Address1")
.CheckProperty(c => c.Address2, "Address2")
}
Forms Data Controls :: An Unhandled Exception Occurred During The Execution Of The Current Web Request?
Feb 17, 2010 I have a simple page with a gridview who's select and delete are enabled. It is bound to a dataset using the object data source. Clicking delete, I get
No parameterless constructor defined for this object.
Description:
An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.MissingMethodException: No parameterless constructor defined for this object.
Source Error:
[Code]....
Stack Trace:
[Code]....
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565
I have seen other articles stating the dataset doesnt make a parameterless constrcutor, trouble is I don't know how to make one.
DataSource Controls :: System.FormatException Was Unhandled By User Code - Input String Was Not In A Correct Format?
Jan 20, 2011"System.FormatException was unhandled by user code - Input string was not in a correct format"
This is driving me crazy! Can anyone see what the problem is?
[Code]....
DataSource Controls :: Connect To Sqlserver - Invalidoperationexception Was Unhandled By User Code
Jan 6, 2010i am getting this error, trying to connect to sqlserver! senario! im trying to connect 2 tables with corresponding information.
eg: table 1 has (item no., picture and link) table 2 has (all the information pertaining to the item number and picture meaning when you click on the link it has to link you back to the same picture with more information about it! what could possibly be wrong??
Forms Data Controls :: Findcontrol In Gridview Error / An Unhandled Exception Occurred During The Execution
May 11, 2010Object reference not set to an instance of an object.
Description:
An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Public Sub btnSave_Click(ByVal sender As Object, ByVal e As System.EventArgs)Line 246: 'Dim thv As GridView = TryCast(Me.FindControl("grd1"), GridView)Line 247: Dim lbltargetdir As Label = TryCast(TryCast(Me.FindControl("grd1"), GridView).FindControl("lblparentpath"), Label)Line 248:Line 249: Directory.CreateDirectory(lbltargetdir.Text.ToString() & nm.Text)
Databases :: Retrieving From OdbcDataReader / Unable To Cast Object Of Type 'System.Byte[]' To Type 'System.String'
Feb 16, 2010I have defined an ODBC Command and ODBCdatareader as follows
OdbcConnection myConnection = new OdbcConnection(connectionString);
OdbcCommand myCommand = new OdbcCommand();
myCommand.Connection = myConnection;
myCommand.CommandText = "select UOPGM from GREG.TUSROPTF";
OdbcDataReader myReader;
myConnection.Open();
myReader = myCommand.ExecuteReader();
When I try to retreive from the reader as follows:
while (myReader.Read())
{
string someString = myReader["UOPGM"];
lstNames.Items.Add(someString);
}
I get the following error
Error reading the database. Unable to cast object of type 'System.Byte[]' to type 'System.String'."
I have also tried string someString = (string)myReader["UOPGM"]; to no avail
DataSource Controls :: System.Data.SqlClient.SqlException: A Severe Error Occurred On Current Command
Feb 3, 2010I am facing the following problem when i try to add record in database. "System.Data.SqlClient.SqlException: A severe error occurred on the current command.The results, if any, should be discarded." This exception occurs occasionally, and the sql server log shows the following error whenever the above exception occurs:
Server,Unknown,A user request from the session with SPID 54 generated a fatal exception. SQL Server is terminating this session. Contact Product Support Services with the dump produced in the log directory.
DataSource Controls :: The Null Value Cannot Be Assigned To A Member With Type System.Decimal Which Is A Non-nullable Value Type
Dec 22, 2010I am making a website to store invoices so i can mail them to clients. So i got a table for clients, invoices and one with invoice products/services. When an invoice has no products/services added to them and it returns null i get the error "the null value cannot be assigned to a member with type System.Decimal which is a non-nullable value type."
I just started with linq. Before i always used mysql. Mostly i just had to call data from 1 table so forgive me if my linq query isn't really correct.
Dim invoices = From i In db.invoices _
Group Join p In db.products On i.id Equals p.invoiceId Into invoiceProducts = Group _
Select New With {i.client.naam, i.titel, (From iP In invoiceProducts Select iP.prijs).Sum}
i show the client's name, the title of the invoice and the total amount the clients will need to pay for products and services.
Web Forms :: Unable To Cast Object Of Type 'System.DateTime' To Type 'System.String'
Nov 10, 2010[Code]....
Above is my code. The error I'm get is, Unable to cast object of type 'System.DateTime' to type 'System.String'.
The column "To" and column "Subject" are strings and column "Receive" is DateTime. I can't made any changes in the database, so I need to write some code to handle casting a string to datetime or if statement as a work around.
Unable To Cast Object Of Type 'System.EventArgs' To Type 'System.Web.UI.WebControls.FormVi
Nov 24, 2010Protected Sub FormView1_ItemCreated(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.FormViewCommandEventArgs) Handles FormView1.ItemCreated
Causes Unable to cast object of type 'System.EventArgs' to type 'System.Web.UI.WebControls.FormViewCommandEventArgs'.
The program (asp.net/vb) works fine with FormView1_ItemCommand and FormView1_ItemInserted events but strangely objects to FormView1_ItemCreated. Is it only a VC# event?
Web Forms :: Unable To Cast Object Of Type System String To Type System Byte
Feb 20, 2013Unable to cast object of type 'System.String' to type 'System.Byte[]'....
on line #2
private void download(DataTable dt) { Byte[] bytes = (Byte[])dt.Rows[0]["FileData"];
Response.Buffer = true; Response.Charset = "";