How To Execute An INSERT Using SqlCommand
Jun 20, 2010
I have another class that creates the connection (see refined class half way down page) and I believe it connects or at lest I do not hit any of the exceptions in run time.
I would now like to insert data into my database but nothing is updated.
I am trying to follow this example but it is for reading.
I did run "querystring" on the show SQL Pane and it does execute correctly. It inserts data properly as a new row.
string queryString =
"INSERT INTO UserData UserProfileID, ConfidenceLevel, LoveLevel, HappinessLevel) VALUES ('a051fc1b-4f51-485b-a07d-0f378528974e', 2, 2, 2);";
protected void Button1_Click(object sender, EventArgs e)
{.....
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Dec 2, 2010
Boss comes in and demands that we change an existing dataload process written in .Net 2.0 to call stored procedures on two different servers rather than just one. In his mind (not a programmer) this should be a short overnight process. We have about 60 different SQL Commands that we need to change and test. Is there a simple way to do this that I can't think of? If there isn't we will use something like replication or database mirroring, which is my preference but is likely to get the cold shoulder from my boss, especially since I have never set these up before. A function that takes a SQLCommand as its argument and then iterates through as set of connections to execute the SQLCommand. Change all stored procs to call the same stored proc on a linked server.
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Aug 20, 2010
i am developed on simple user registeration application in that i gave address field .when i am trying to enter something like this (1st main,b'lore) but wont take while inserting.
my query is
sqlcommand cmd=new sqlcommand("insert into registeration_form(name,address)values('"+txtname.text+"','"+txt_address+"')",con);
how can i pass the quotes also to my query if any one know reply me.
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Oct 13, 2010
How to write Stored Procedure for Insert Data & Execute it in MS SQL?
Some websites:
[URL]
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Mar 31, 2010
i made one window base application in VS2008 (VB.net). i made one simple code where i can insert data.and after inserting i can see that data on grid.when i am inserting data insert query runs perfect.after that for debugging purpose i fire select query and get result in dataset and its show data too.but when go
into database my inserted data not showing there.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim con_str As String = "Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|Database1.mdf;Integrated Security=True;User Instance=True"
Dim con As SqlConnection = New SqlConnection(con_str)
Dim cmd, cmd2 As SqlCommand
Dim adp As New SqlDataAdapter.....
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Feb 15, 2011
I'm trying to understand how to execute AJAX animation on an asp button that has to execute code on Postback. In other words, I have button with code behind that needs to be excuted, but at the same time want to be able to have one of animation extenders be applied to it. I understand that I need to use the BeginRequest Event, I'm just not sure how, or which javascript commands to use to call the ajax animation so the postback will still occur.
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Mar 10, 2011
I am looking through a sql stored procedure which I might need to update in the near future. Basically the stored procedure is about 20 lines long. The stored procedure first builds a query
and stores it in a variable named "@Sql". And then for the last two lines of the stored procedure it appears that the big sql statement stored in "@Sql" is executed by using the "EXEC" command. See below. What is confusing though is that the query appears to be exectuted twice? Why was the query written in this way. Don't both lines do the same thing? Why is it being done twice? Could this possibly be a mistake on the
part of the person who wrote the query. Below are the two lines I am talking about?
EXEC sp_executesql @sql
EXEC (@sql)
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Mar 17, 2010
I have a gridview, where I have made autocode using the wizard. However I need a dynamic SQLcommand from server side. I have tried this code, but it doesn't work, it works if I use this code from HTML (setting the sqlcommand in the SQLDataSource. I have deleted the sqlcommand from the HTML and instead I have implemented the code in the page_load event:
Code:
Dim str As String = SqlDataSource1.SelectCommand = "SELECT DISTINCT Beregning.bId, Informationer.Dato,Beregning.bType, Informationer.pNavn, Informationer.pNr, Informationer.Beskr, Beregning.uId FROM Beregning CROSS JOIN Informationer WHERE (Beregning.UserId = @UserId) AND Beregning.uId = Informationer.uId AND (Beregning.bType=@berType2) ORDER BY Beregning.bId DESC"
SqlDataSource1.SelectCommand = str But this code works, when I apply the SQLCommand in HTML:
Code:
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:IsoPlusConnectionStringDrift %>" SelectCommand='SELECT DISTINCT Beregning.bId, Informationer.Dato,Beregning.bType, Informationer.pNavn, Informationer.pNr, Informationer.Beskr, Beregning.uId FROM Beregning CROSS JOIN Informationer WHERE (Beregning.UserId = @UserId) AND Beregning.uId = Informationer.uId AND (Beregning.bType=@berType) ORDER BY Beregning.bId DESC'>
<SelectParameters>
<asp:SessionParameter Name="UserId" SessionField="userId" />
<asp:Parameter DefaultValue="Optimering" Name="berType" />
<asp:Parameter DefaultValue="Kapacitet" Name="berType2" />
<asp:Parameter DefaultValue="Varmetab - Alle rørtyper" Name="berType3" />
<asp:Parameter DefaultValue="Varmetab - Nuværdi" Name="berType4" />
<asp:Parameter DefaultValue="Nomogram" Name="berType5" />
<asp:Parameter DefaultValue="Temperatur - Afkølingsgraf" Name="berType6" />
</SelectParameters>
</asp:SqlDataSource>
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Mar 29, 2010
a) SqlCommand.ExecuteNonQuery is used for update, insert and delete operations.
Besides the fact that by using ExecuteNonQuery instead of ExecuteReader we automatically know there won't be any query results returned, are there some other benefits/reasons why ExecuteNonQuery should be used?
b) Similarly, if we want a database operation to return a single value, we should use ExecuteScalar instead of ExecuteNonquery ,where with the latter result would be returned via SqlParameter. Is there any particular reason why we should prefer ExecuteScalar over ExecuteNonQuery?
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Nov 7, 2010
how to union or merge the two SqlCommands below?
[Code]....
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Nov 9, 2010
I have some code like this
Dim conn As SqlConnection = New SqlConnection("server='h'; user id='w'; password='w'; database='w'; pooling='false'")
conn.Open()
Dim query As New SqlCommand("DECLARE @investor varchar(10), @sql varchar(1000) Select @investor = 69836 select @sql = 'SELECT * FROM OPENQUERY(db,''SELECT * FROM table WHERE investor = ''''' + @investor + ''''''')' EXEC(@sql)", conn)
dgBookings.DataSource = query.ExecuteReader
dgBookings.DataBind()
I need to add in an If statement basically saying if the SQLCommand query returns no rows then show a specific label Can this be done?
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May 1, 2010
I want to add array list in sqlcommand.but i don't no how to pass it. My code is.
ArrayList
ProductId = new
ArrayList();
for (int i = 0; i < ShipmentPackage.Items.Count; i++)
{
ProductId.Add(ShipmentPackage.Items[i].ProductVariant.ProductID);
}
select * from TableName where id= ProductId(ProductId is my Arraylist)
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Dec 27, 2010
Is there a way to check a connection that an SQLCommand uses and redirect if the database isn't available? Like maybe using cmd.Connection.Open()???
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Mar 30, 2010
I need to run the HttpContext.Current.Server.Execute method in my ASP.NET application. This application has a WCF operation that does some processing. Currently, I am to do my processing correctly from within my WCF operation. However, I would like to do this asynchronously.
In an error to attempt this asynchronously, I tried running Server.Execute in the DoWork event handler of a BackgroundWorker. Unfortunately, this throws an error that says
"object reference not set to an instance of an object" The HttpContext element is not null. I checked that. It is some property nested in the HttpContext object that appears to be null. However, I have not been able to identify why this won't work. It happens as soon as I move the processing to the BackgroundWorker thread.
My question is, how can I asynchronously execute the Server.Execute method?
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Sep 6, 2010
What I'm trying to do is load data into a dataset using Repeater in Asp.net Here what i've done in the code behind
[Code]....
and my HTML code
[Code]....
Is this the correct way for me to use Repeater?ie can we use stored procedure to call it There's an error "The IlistSource does not contain any data sources" I'm trying to retrieve data from the stored procedure only just a simple loading
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Jun 28, 2010
i want to ask how to i set variable in asp:sqldatasource in sqlcommand in asp.net c#....
This is my code
asp.net
<dx:ASPxListBox ID="lsAssignToko" runat="server" DataSourceID="SqlDataSource6"
TextField="NAMA" ValueField="ID" AutoPostBack="true"
EnableCallbackMode="True" SelectionMode="CheckColumn"
OnSelectedIndexChanged="lsAssignToko_SelectedIndexChanged">
<Columns>
<dx:ListBoxColumn FieldName="ID"/>
<dx:ListBoxColumn FieldName="NAMA" />
</Columns>
</dx:ASPxListBox>
<asp:SqlDataSource ID="SqlDataSource6" runat="server"
ConnectionString="<%$ ConnectionStrings:Ora2010 %>"
ProviderName="<%$ ConnectionStrings:Ora2010.ProviderName %>"
SelectCommand="SELECT ID, NAMA FROM REF_TOKO WHERE ID IN ( :inTOKO ) ORDER BY NAMA">
<SelectParameters>
<asp:SessionParameter Name="inTOKO" SessionField="inTOKO" Size="200" Type="String" />
</SelectParameters>
</asp:SqlDataSource>
c#
string dummy = "";
string data = "";
string inTK = "";
string inTOKO = "";
//string inTOKO1 = "";
int pot;
for (int i = lsToko.SelectedItems.Count - 1; i >= 0; i--)
{
string tok = lsToko.SelectedItem.Text.ToString();
data = lsToko.SelectedItem.Value.ToString();
dummy = dummy + "" + data + ",";
int index = lsToko.SelectedItem.Index;
lsToko.Items.RemoveAt(index);
}
if (lsToko.SelectedItems.Count <= 1)
{
inTK = dummy.Length.ToString();
pot = int.Parse(dummy.Length.ToString()) - 1;
inTOKO = dummy.Substring(0, pot);
}
Session["inTOKO"] = inTOKO;
the problem is where in my variable inTOKO consist of couple of value...
Example
while variable inTOKO = one value success but while value inTOKO = two value error
inTOKO = 1101111 => success
inTOKO = 1101111,1211321 => not success
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Jan 13, 2010
i have the followng code:
[code]...
Now what I want is how can I print the complete sql statement and try to run it in sql query of
Sql server. How can I print Sql statement from sqlcommand. the cmd.commandtext seems notworking.
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Mar 29, 2010
[Code]....
is used for update, insert and delete operations.Besides the fact
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May 14, 2010
I'm using visual studio 2008 and sql server 2005 and everything is working just fine under normal use. However if a user is on a page for a while several minutes with no activity then clicks a button on occassion the site throws the following exception ...
Procedure or Function "sp_name" parameter '@SomeParameterName', which was not supplied
I'm also encountering this error in Visual Studio while debugging the application, in otherwords run the site from visual studio then make some change to the html in VS save the changes and refresh the page.
The error is not consistent nor is the time the page has to stay idle in order for it to occur....
The current sql command object timeout is 30 secs and the website timeout is 30 minutes.
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Jul 9, 2010
I've got a loop that executes the stored procedure in a loop with over 40,000 iterations, like so:
SqlCommand command = new SqlCommand("WriteDataToDB");
command.Connection = _connection;
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add("@SignalID", SqlDbType.Int).Value = Arg_Signal.SignalID;
command.Parameters.Add("@SignalStrength", SqlDbType.Float).Value = Arg_Signal.SignalSiggestion;
command.Parameters.Add("@Time", SqlDbType.BigInt).Value = Arg_Signal.TimeWasHit;
command.Parameters.Add("@Value", SqlDbType.Float).Value = Arg_Signal.ValueWasHit;
if (command.Connection.State != ConnectionState.Open)
{
command.Connection.Open();
}
command.ExecuteNonQuery();
This code is called from a loop where I intercept and time every 1000th iteration. The times I get are below:
[0]: "Started 0ms"
[1]: "1000 done 578.125ms"
[2]: "1000 done 921.875ms"
[3]: "1000 done 1328.125m"
[4]: "1000 done 1734.375ms"
[5]: "1000 done 1140.625ms"
[6]: "1000 done 1250ms"
[7]: "1000 done 1703.125ms"
[8]: "1000 done 1718.75ms"...........................
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Feb 24, 2010
Like this: select * from foo where @nameofdbcolumnprovidedbyparam = 1? Whenever I attempt this with sqldatasource or in ado I get errors such as: Syntax error converting the nvarchar value 'foo' to a column of data type int.
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Apr 15, 2010
can capture return value from a SQL by using SqlConnection SqlCommand
[Code]....
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Sep 11, 2010
Declaring the SqlConnection and SqlCommand objects in a webform without CodeBehind I am trying to query data from a MS SQL server with a C# web form without "CodeBehind". I want to write the information to a table in the web form's body.
I am having trouble declaring the SqlConnection and SqlCommand objects that connect to the server.
How do you use "using System;", "using System.Data;", "using System.Data.SqlClient" inside the script element of an .ASPX file?
(code below)
[Code]....
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Dec 7, 2010
I have a data entry form. the end user supposed to key in the data as integer. if they do not enter. I do not have default value to put. for the text, I will put the space as default value. Since there will be a lot fields, I really do not like to code as default zero while end user load the data again.
Dim iAAGraduate
As Int16If Len(Me.txtAAG.Text) > 0
Then
iAAGraduate =
CInt(Me.txtAAG.Text)End
If
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Mar 25, 2010
I'm trying to determine whether it is better to declare the connection outside with it's own using statement or to create it inside the sqlcommand itself. This is in regards to a single command interaction with the database (no loops).
[Code]....
Or
[Code]....
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