I have this
var result = general.GetInformation(int.Parse(ID), F_account, F_Info, Types);
this GetInformation is my Entity.Getinformation class.. when I am trying to assign result globly I am getting Cannot Assign to implicit typed local variable?
var result = ?
what should I assign in global?
I would like to enquire about a seemingly basic problem that i am struggeling with. I have been trying to add information to an access database and as i am inserting this information I get the error message stating that I tried to assign the Null value to a variable that is not a Variant type. I was thinking that it could have something to do with the primary key being set to automatic number but this also does not seem the problem.
View 2 RepliesPossible Duplicate: Use of var keyword in C# Hi, I am pretty new in C#,I would like to know the best practices in declaring variables.I know it is possible to use VAR (explicit declaration) or the DataType when declaring a variable (implicit).
View 3 RepliesI have my Access database bound to a Gridview and an able to Edit and Update the Grid as long as all columns are set to ReadOnly=False. If I make one or more columns ReadOnly=True I get the following error on updating: You tried to assign the Null value to a variable that is not a Variant data type How do I get past that problem?
View 3 Replies to define a variable/property of more than one type. Let's say i want a property TextWebControl that is a WebControl and also implements Web.UI.ITextControl(f.e. like a TextBox or Label). But i don't want to enforce that it is a TextBox or Label, but only one that inherits from WebControl and also implements ITextControl so that it also would work with controls added in future releases of .Net-Framework.
.Net-Framework 4.0
Edit: I have retagged the question and added VB.Net because it's my default language. Normally it's no problem for me to understand C# also, but i must admit that it's difficult to translate generic stuff to VB.Net without experiences and it's also better documentated in C# than in VB. So i would appreciate(and aceept) a working example of a VB.net generic type of ITextControl/WebControl.
From Marc's answer i understand that i need a generic class. But how do i instantiate it in SomeClass? This won't compile:
Class SomeClass
Public Property info As InfoControl(Of WebControl, ITextControl)
End Class
I have a problem with a SessionVariable. I will explain what is happening:
1. From the default.aspx I send Session["LoginByAdmin"] = "Dummy"; and then redirect to this page where I have the code below. So the Page_Load sees that this Session["LoginByAdmin"] != null and enter this page. This works fine !
2. In the Page_Load, I later fill a ListBox1 with foldernames.
3. With Button1_Click1, I will now delete the choosen Folder in the ListBox1 wich works fine the first time and the ListBox updates the new existing folders in the ListBox. (I have wrapped this inside an updatepanel)
The problems comes now when I try to delete a choosen folder in the ListBox1 the second time in a row. When I select a Folder in the ListBox1 and now Press Button1, I will be redirected to "Default.aspx". This meens that this code is running: (That meens that Session["LoginByAdmin"] == null and I have not set this to null anywhere. This is my big question how this variable can be = null here?
if (Session["LoginByAdmin"] == null)
Response.Redirect("Default.aspx");
break;
[Code]....
Can I assign the result of an SQL select command to a local variable in ASP.NET?
View 3 Repliesi have to assign value to bit varibale.so i declared bool variable . i am assigning string value to a bool variable . so i converted to boolean & assigned.Its not converting to bool..How to assign string value to bit variable.?i am getting error.Object reference not set to an instance of an object
[Code]....
How can i assign value to javasctipt variable from code-behind (C#)?
<script type="text/javascript">
String.prototype.trim = function () { return this.replace(/^s+|s+$/, ''); };
function ConstantByCode(_Obj, _Div) {
var pl = new SOAPClientParameters();
_Obj.value = _Obj.value.trim();
pl.add("Code", _Obj.value);
[code]...
I want to assign a csharp variable to the element of asp page using javascript. It seems the assignement is not working in my code.
document.getElementById('lbAccessories').innerHTML = '<%#SelectLabel%>';
<asp:LinkButton ID="lbAccessories" runat="server" />'
Text='<%#SelectLabel%>' because i want to make it more intelligent.
e="text/javascript">
function function(Ref) {
[code]...
I am using asp.net and C#. I want to send mail to my user in HTML format, I have the content in HTML format let say like this
<table style="width:100%;">
<tr>
<td style="width:20%; background-color:Blue;"></td>
<td style="width:80%; background-color:Green;"></td>
</tr>
</table>
Now I am unable to assign this to a string variable, so that I could send it as a mail. how can I bind this whole HTML content into a varibale.
I'm creating an ASP.NET web application using C# and I want to know how I could assign an integer variable to the cell of a table. I could easily do it using a text-box and label but I'd like to use a table if possible.
I'm using Microsoft Visual Studio 2010 Ultimate
Right now I am using a grid control from ComponentOne which I have to stay with. When I click an link in the row which fires a grid_ItemCommand event one of the parameters passed is e As C1.Web.C1WebGrid.C1CommandEventArgs. I want to change it where I am selecting a row with a checkbox in a column and then click a button to process the row selected. So I need to get the value it is putting in e and pass that which is used in another sub.
Here is how e is assigned to "row" as DataRow.
Code:
Private Sub grid_ItemCommand(ByVal sender As Object, ByVal e As C1.Web.C1WebGrid.C1CommandEventArgs) Handles grid.ItemCommand
Select Case e.CommandName
Case "Renew" ' Renew barcode
Dim row As DataRow = CType(e.Item.DataItem, DataRowView).Row
I'm creating an ASP.NET web application using C# and I want to know how I could assign an integer variable to the cell of a table. I could easily do it using a text-box and label but I'd like to use a table if possible.
I'm using Microsoft Visual Studio 2010 Ultimate
How to assign a array string session to dataset or datatable? I have a array session data in that i stored n number of values. i want to assign these values to dataset. so that i can bind these values to gridview. so anyone pls let me know how to do this? Iam getting error to convert sesion{"noncontractitem"] to datatable.
string[] sessiondata = { txtProductNo.Text, txtItemDescription.Text, ddlUnitOfMeasure.Text, ddlDistributor.Text, rbtlItemType.Text, txtQnty.Text, txtPacking.Text, txtUnitCost.Text };
Session["NoncontractItem"] = sessiondata;
DataTable dts = new DataTable();
dts = (DataTable)Session["NoncontractItem"];
grdSelectedItems.DataSource = dts;
grdSelectedItems.DataBind();
i got one register page and register confirmation pagethe first page i use it to let user enter all the data to registerfor the second page, i put a createuserwizard and use session to display all the entered data here problem is, all the data in label form can show except username, password and e-mailWhich i make them textboxI have declare them in the Page_Load (I use username only as example since all field is about the same)
[Code]...
Question. Say for example if i have a business entity -> Customer, which has customerId, customerName and customerType. I have created an asp:Hidden Variable hdnCustomer to runat="server"
If i wanted to serialize the value of the customer business entity (in the code behind) to the hdnCustomer then how would i do that?
// Psudo code
Collection customerList = new Collection();
customerList = BusinessAccess.GetCustomerList();
hdnCustomer = serialize and assign the value of 'customerList' to hdnCustomer;
...
...
// Later on a select index change of one of the drop down lists
inside the event handler for the drop down list
{
Collection customerList = new Collection();
customerList = deserialize the value from hdnCustomer
int a = Convert.ToInt32(ddlDropDown.SelectedValue);
foreach(a in customerList)
{
// Do something
}
}
I have a simple user control which toggles between the visibility of a few images depending on the UserId. When the page is loaded for the first time, the userID is being assigned correctly (I'm debugging). However, there are two other buttons on the page for filtering the type of users, they are perform their functionality via Ajax (not the toolkit, but the normal javascript ajax) When one of these buttons are clicked, the user control cant get the userid, it always comes up as Zero. Oh, btw, the usercontrol is in a DataRepeater, so it occurs for each of the user.. all the time.. or thats the Idea. I have several other pages like this, (none of them have ajax) and the user control has no problems whatsoever.
My User control code:
[Code]....
And the Data Repeater is something like this:
[Code]....
Here, Immediately after the userControl <ucAB:....> line, I am printing the userid just to see if its valid (by <%# Eval("UserId") %> and the user id's are valid too. I dont understand why the User Control cant pick it up on ajax postback?
I have a Datalist and when a button is clicked I would like to send the values of the fields to a new page to fill some text boxes. What is the best way to do this. I had thought that since the DataList had itemtemplates that were labels I could reference them like regular labels ( str = Label1.text ). That isn't working. I was just going to send the values through a query string. Which I have an example of that, unless there is a better way.
View 3 RepliesIs it possible to assign all values in session to variable.
retrieving some values from first page with this code
Dim retProductIDs As List(Of Integer) = CType(Session("ProductIDs"), List(Of Integer))
WHEN I USE IS NULL VALUE DIRECTLY INTO MY QUERY IT WORKS GREAT BUT WHEN I TRY TO ASSIGN IS NULL VALUE FROM A PARAMETER ITS WORKING BUT NO ROW RETURN.MY SP LOOK LIKE THISITS WORKING
AND Profile.MarketID IS NULL
AND Profile.SourceID IS NULL
AND Profile.NationalID IS NULL
AND Profile.CRMLanguagesID IS NULL
AND Profile.MarketID LIKE @PMarketID
AND Profile.SourceID LIKE @PSourceID
AND Profile.NationalID LIKE @PNationalID
AND Profile.CRMLanguagesID @CRMLanguagesID
I put a server side button on the header page. The website is running fine. I use the same source and put it on IIS, it's also working fine but the problem is, i couldn't compile it anymore using my VS studio. It's showing no error so when I go and check the output (after scrolling down a bit and found one line says error). it says
C:InetpubwwwrootAmFraserIntranetheader.master.vb(31,0): error BC30506: Handles clause requires a WithEvents variable defined in the containing type or one of its base types.
C:InetpubwwwrootAmFraserIntranetheader.master.vb(32,0): error BC30451: Name 'keyword' is not declared.
keyword is the textbox on the header page. I also played around with AutoEventWireUp (true/false) and defining onclick event on the server tag but it is still not solving the problem.
I have a control and list of variables and I want in the control property to be assigned to the variable value directly in the page not from the back code, something like this
My global variables
public string Banana = "banana_pie";
public string Apple = "apple_pie";
in my custom control instead of:
<uc:LoadPie id="pieBanana" type="banana_pie" />
To this
<uc:LoadPie id="pieBanana" type="<%=Banana %>" />
so is there a way or just assign the property in page back code.
I have an aggregate stored procedure (named sp2) that returns a count of records meeting a certain criteria ASrecCount. I am using a DAL per the ASP.NET tutorial and have created a Table Adapter (named
sp2TableAdapter) with GetData and Fill methods. I have a button on an ASP.NET page that launches an event handler. In the button's event handler, I have this line: sp2TableAdapter sp2 = new sp2TableAdapter();
What works so far:
This code will bind the value of sp2 to a data control:
sp2TableAdapter sp2 = new sp2TableAdapter();
DropDownList1.DataSource = sp2.GetData();
DropDownList1.DataValueField = "recCount ";
DropDownList.DataTextField = "recCount";
DropDownList1.DataBind();
When running this page and clicking the button, the numeric value of recCount returned from sp2 is bound to the DropDownList control and 1 row is poplated with the recCount value (in my case 1451).
Problem:
In the event handler, I do not want to bind the value of recCount to a control, but want to to use it in some logic as an integer. What is the C# code that will do this? (In place of the DropDownList control lines above)
I have this SPDECLARE @PERC VARCHAR(50)
DECLARE @nome_soc_repl VARCHAR(50)
set @PERC = '(select round((' + @nome_soc_repl + ' /(select sum ('+ @nome_soc_repl+ ') from exptot_perc))*100,2)
from exptot_perc)'
EXEC (@PERC)
nome_soc_repl is a varible that contains my table name
so I need to extrac the result of EXEC...for examples 15...... and put it on another variable.....
