SQL Server :: Writing The Whole Row In Database Using Dataadapter?
Jul 21, 2010
I have some problem in inserting the wholerow in mt database table at once.....I would like to explain it:i have a function as
public DataSet senddata()
{
........................... [code]...
Now I to insert this data into the database I have made in the same format(schema).I have a function like :
database name is ABC
tablename is XYZ
public void inserttodatabase()
{
DataSet ds= senddata();
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Feb 12, 2010
My code is not updating the sql database. I am definately passing the correct information in to this function, and it runs without errors. If I exec the procedure with the passed in data, it works great. Can someone tell me what is missing?
public DataTable UpdateEmailList(int listId, string connectionString, DataTable EmailList)
{
//DataTable dt = new DataTable();
SqlConnection conn = new SqlConnection(connectionString);
conn.Open();
SqlDataAdapter da = new SqlDataAdapter(null, conn);
SqlCommand cmd = null;
//add
cmd = new SqlCommand("dbo.fp_ServiceAwards_AddEmailToList", conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@emailList_id", SqlDbType.Int)).Value = listId;
cmd.Parameters.Add(new SqlParameter("@email_address", SqlDbType.NVarChar, 255, "email_address"));
cmd.Connection = conn;
da.InsertCommand = cmd;
//delete
cmd = new SqlCommand("dbo.fp_ServiceAwards_DeleteEmailFromList", conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@emailList_id", SqlDbType.Int)).Value = listId;
cmd.Parameters.Add(new SqlParameter("@email_address", SqlDbType.NVarChar, 255, "email_address"));
cmd.Connection = conn;
da.DeleteCommand = cmd;
try
{
da.Update(EmailList);
}
catch (Exception ex)
{
string msg = ex.Message;
}
conn.Close();
conn.Dispose();
return EmailList;
}
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Aug 31, 2010
I have a webpage with 6 drop down lists. User can start with selecting any drop down list first, and then proceed in any order. 1. Assume when the 1st dropdown is selected first, rest 5 drop downs (except 1st) are filtered/updated based on the selected value in the 1st dropdown.2. Assume user selects the 4th dropdown second, rest 5 drop downs (except 4th) will be filtered/updated but the condition would be based on both 1st drop down and 4th drop down. But while filtering the first drop down, only the 4th drop down is used as filter (self-filter will be ignored).
The code works fine but I see a very bad performance hit in time when the user selects the fourth dropdown after selecting three drop downs. I tried using both SQLDataAdapter and SQLDataReader but neither used to solve the issue. The code takes a lot of time on one line in either of the code (which is highlighted below). When I run the query in SQLServer Mgmt Studio, the query completes in a few seconds.
[Code]....
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Nov 15, 2010
I'm a little stuck here, with my first server control. I'll just post the whole thing, as I'm sure I've done plenty of mistakes. The main thing for me to find out is if there's a more elegang way to write this.
What I'm trying to accomplish here is to write a panel with custom HTML inside it. Inside the custom HTML, I need to put some server controls I can actually reach. My attempt at finding the span in the code failed, so there's obviously something wrong.
[Code]....
Obviously, I've only just begun, but I'd really value some feedback before I dig myself in too deep ;)
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Feb 9, 2010
I was just wondering that when we insert some datainto database we can use the following method.
create a sql datasourse ,
set the conection string,
set the insert comand type,
set insert parameters,
and Set the SQL Statement like
sqldatasource.insertStatement="insert into tablename(field1, field2) values(@parameter1, @parameter2)";
and then call the datasourse insert() function,
this method is usually used for single line insertion at the end of the DB.
Now I am a starter in asp.net c#,
I want to know that if There is a way that I have lots of data like some XML file that have the same table structure as the SQL database table
and I want to write that data to the database, HOw to do it Properly,
I can Still achieve the required results by iterating through XML datarows and for each row conecting to db and inserting and then disconecting dfrom the db,
But I want to know that if there is a way to do it in one go meaning I have to conect to database only one time,
Note: I already have some data in my SQL table, there are three fields(ID Name and Nickname) the ID(primary key) is INT type and auto incremented, the name and nickname are strigns.
the xml file has the structure
<userdata>
<user>
<name>michel</name>
<nickname>micho</nickname>
</user>
</userdata>
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Jun 4, 2010
I am creating an insert statement in my c# code to insert records to an access database table. I am getting the error copied below using c# code. When I copy the generated insert statement from the console and run this on my access database, it succesfully appends a record in the table.Insert statement generated:
insert into [Pet Fish-log 2010] ([Specimen Type], Year, [Lab Number], [Last Name], [First Name], [Middle Initial], Gender, [Date of Birth], [Collection Date], [Date Received], Client, [Tissue Type], [Block Number],
[code]......
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Feb 20, 2010
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Jun 11, 2010
I have a checkbox column in a Gridview that I would like to use to insert the value of one cell in the row into an access database. There will be a maximun of five cells allowed to be selected so there can be one value written to one field in the database up to the maximum of the five fields. The access database has five columns: Selection1 ,Selection2, Selection3 ,Selection4 and Selection5
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[Code]....
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Jun 3, 2010
i just cannot work this out... i have a gridview and when a user clicks on a row the checkbox unchecks itself... when the user clicks the row a sqldatasource.update is called from the selectedindexchanged event, problem is when it writes back to the database it writes back every checkbox as unchecked, i want just the row that's selected...
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... once i take out the where clause, it writes back to every row..!!
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[Code]....
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[Code]....
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[Code]....
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[Code]....
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[Code]....
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[Code]....
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