Web Forms :: How To Use Database Return Many Field And Insert In A Object

Sep 28, 2010

how to use database return many field and insert in a object(like any Collection ,Array,Hashtable etc)


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How To Return Object After Insert

Mar 29, 2011

I am doing a sql INSERT and would like to get a copy of object immediately after insert. Does C# have a command to achieve this??

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C# - Return First 100 Letters From Database Field?

Jan 19, 2010

In my database MYDB i have a table called MYTABLE and inside it I have a column called NAME. I want to only return the first 100 characters of the column NAME. (NAME can be up to 2000 characters).How can this be done in SQL as I want to set the first 100 characters to a ASP.NET label.

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Web Forms :: Insert Object Into Database

Feb 8, 2010

How do you insert an object into a database, here is the object from the class:

public static Int32 InsertBaseCar(BaseCar theCar)
Int32 newBCarId = 0;
SqlConnection cn = new SqlConnection(_connectionString);
SqlCommand cmd = new SqlCommand("sp_InsertBaseCar", cn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@id", theCar.ID);
cmd.Parameters.AddWithValue("@make", theCar.Make);
cmd.Parameters.AddWithValue("@model", theCar.Model);
using (cn)
newBCarId = Convert.ToInt32(cmd.ExecuteScalar());
// write code here.
return newBCarId;

And here is my attend at inserting the code into the database:

public void InsertBaseCar()
BaseCar theCar = new BaseCar();
theCar.ID = Convert.ToInt32(txtBId.Text.Trim());
theCar.Make = txtBMake.Text.ToString();
theCar.Model = txtBModel.Text.ToString();
txtBId.Text = string.Empty;
txtMake.Text = string.Empty;
txtModel.Text = string.Empty;

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ADO.NET :: Return A Single Row From A Database As A Strongly Typed Object?

Nov 10, 2010

I have a products table whereby I want to return a single row via a product id and use it as a data object.

I have used a .xsd dataset and a product class where I return a dataset and add the values into the product object that I created but I don't like having to write code like

"Product[0].ProductDescription" to get the product description. Is there a way of returning is straight as an object rather than a dataset?

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Vb.net - How To Insert NULL Into Database If Form Field Is Empty

Jan 18, 2011

I have a form and stored procedure that inserts the data from the form. It works fine except that if a field isn't filled in it doesn't insert a NULL into sql it inserts "".

I've tried a few different ways but none seem to insert NULL, the one below still inserts "", can anyone point me in the right direction.

Here is the required part of the code, if you require more just let me know.


So if I enter nothing into address1 field it should write NULL to screen but it always writes NOT NULL.

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Forms Data Controls :: Insert On Details View Causes Error Cant Insert Null Into Primary Key Field?

May 22, 2010

I am using Visual studio 2010 express and I have a details view databinded to an sql database table. When I use the Insert option on the view it causes an error due to it trying to insert a null into the primary key field. If the Insert function does not create a new primary key entry how is it created?

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Forms Data Controls :: Get The Value Of The Id Field In Gridview/Object Reference Not Set To An Instance Of An Object

Feb 1, 2010

I am trying to get the value of the id field in my gridview but I keep coming up with this error when i do selectedValue or selecteIndex

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

How do I get that id? What I am trying to do is when the user select that link it will delete that information from the database. Here's my code:



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Forms Data Controls :: DetailsView Insert Mode - Field "manager Name" To Be Populated Based On A Lookup Table In The Database

Aug 30, 2010

On my DetailsView for inserting, I have a field "manager code". When the user types in the code, I want another field "manager name" to be populated based on a lookup table in the database. I have done this on a FormView using code behind and "ontextchanged". How can I do this in DetailsView?

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SQL Server :: How To Query Return All Data In Array Object / Collection Object

Sep 14, 2010

how to query return all data in Array Object ,Hash Table ,And DataTable dataRow

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SQL Insert - How To Combine More Than One Field Value To A Single Column Insert

Jan 18, 2010

I have a form with many form fields and controls, with some offering an "other" if a value does not meet the needs for the user. How can I bind the sql insert so that it will take the ddl selection along with the txt field selection for the "other" value? Even if the txt field is empty it should not be a big deal since the ddl would provide something other than null. Since the column in the db does not allow nulls. I'm using asp.net (vb) 3.5 sp1

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Object Reference Not Set To An Instance Of An Object Error When Insert Into DB?

Feb 18, 2010

When I click a button or try to insert into DB it throws an error "Object reference not set to an instance of an object."

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Forms Data Controls :: Return Single Field To A Different Webpage Using Hyperlink?

Aug 6, 2010

I want to return single field to a different webpage using hyperlink.

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Forms Data Controls :: Insert New Blank Rows In A Gridview And Insert Them In Database Multiple At A Time?

Oct 19, 2010

I have grid view in ASP.Net 3.5. I need to add multiple blank rows in a gridview and then have to save them in database. How can I do that in most simplest way?

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Web Forms :: Store Selected Index Of Listbox In Hidden Field And Then Return To That Value On Postback?

Jan 4, 2011

I must be doing something wrong, but this makes sense to me. I have a Listbox loaded with tons of items from a datasource. A user clicks one of these items it grabs the selectedindex (an integer) and stores it in a HiddenField (works fine).

Now when the page does a complete a refresh (after postback) I want the ListBox to go back to that selectedindex that is in the HiddenField. Problem is, it seems that after postback the HiddenField is empty? Then I thought about storing the value in an Integer variable in code, but that is simply coming up as a zero at all times.

Question 1: What is the best/simplest way to do this?

Question 2: How?

I am currently grabbing it on selectedindex change


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Forms Data Controls :: How To Insert A Return Confirm Confirmation Messagebox In The Gridview

Jul 8, 2010

I want to insert a return confirm confirmation messagebox in the gridview which fires when a row is selected. Is there a way to bring out the confirmation messagebox when the a gridview row is clicked without post back. When the user click yes, then the post back will occur. When users click cancel in the messagebox it will do nothing.

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Return Value After Insert?

Nov 26, 2010

I don't know what I'm doing wrong. I have done this before but I'm not at my pc so I can check how to do it. I want to receive the ID after insert.


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MVC :: Use Linq To Get A Field And Return?

Jun 18, 2010

I have a low level quiz. this is a mvc project

in PostRepository.cs, it has some code :


and then , in PostController.cs , I wanna a field in database call postStatus, the code is:

When I edit the post ,I hold the selectlist can show the option what is in database. But the code not work will.

then I use the Response.Write(postStatus); to test what happen. And the Browser show some code on top side :


I wanna what's up with the code and I want to know the suitable method.

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SQL Server :: Getting INSERT's Return Value?

Jan 14, 2011

I am new to SQLite hence the question:I am trying to execute these statement to insert a record into the table and get the ID of the newly inserted column. There is blahID column defined as auto-increment, PK.I want to get the value of @ReturnValue below:



It dies in setting parameter direction:newSqlParam.Direction = ParameterDirection.ReturnValue

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Getting An Error When Trying To Return A Date Field?

Feb 24, 2010

I have a date field (OrderTimeStamp) in Database which allow nulls.When I try to return this field in my LINQ Query I get this following error.Cannot Convert expression type System.Nullable<System.DateTime> to return type System.DateTime

I do not get this error when I try to return other fileds which also allow nulls. Like FirstName and LastName. Then Why I get error when I try to return a date field?


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Web Forms :: How Insert Null Field In Textbox Control

Jul 30, 2010

I have a column in my database which contains null value. Now after retrieving value from database i want to store that value in my txtbox. I am getting

[DBTableFieldIsNullException: Field 'Title' is NULL] exception.

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C# - Can Return A Object With Data In It

Aug 11, 2010

I am wanting to get the function below from the file pageDAL.cs to return the object page with the values for whatever pageID I pass in. If I do not need to use a DataSet or DataTable that is fine. What is the best way?

public page getPage(int _pageID)
DataTable dt = new DataTable;
using (SqlDataAdapter da = new SqlDataAdapter("select PageID,ParentID,CategoryID,Name,PageHTMLContent,NavigationText,TopMenu,SubMenu,DisplayOrder,Active from Page where PageID = " + _PageID, ConnectionStrings.StaceysCakes))........

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C# - DetailsView Return As Blank After Insert?

Apr 4, 2011

I have two pages: the first it's a gridview that bind to DataSet, the second one have DetailsView that bind to DataSet that is used for editing and inserting.

Upon insertion on DetailsView Page, I want to redirect to GridView Page.


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SQL Server :: Return Year Only From Datetime Field?

Oct 1, 2010

Using SQL Server 2005.

I need to return the year only from a datetime field and then group by that field, does anyone know the syntax for this?

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Web Forms :: Display The Text Of The Blank Field But The Insert Val Is Empty?

Feb 1, 2010

if i select a blank field and then insert to the drowdownlist in repeater.

how can i display the text of the blank field but the insert val is empty.

SQL as below:

select '' as Field_1 union select field_1 from table.

i would like to set the value to blank and display text to "please enter".

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