SQL And DataGrid

Aug 10, 2007

I need to take 8 indiviual parts of a table and combine then into 1 Column of a Datagrid.  Is this even possible, if so how?

 example:

The DB contains:

Comp1 Comp2 Comp3 ... Comp8

 

The DG should say

header --> Comp

Data --> Comp1, Comp2, Comp3, ..., Comp8

 

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Datagrid

May 6, 2004

hey all

i have 2 tables
1. Location (locid, name)
2. Product (pid, locid, productname, ...etc)

right now i do a select * from product where locid ='locid', and a datagrid with colums
ProductId | ProductName | AvailableIn

how do i do a select * from Location where locid ='locid' and show Location Name in the datagrid?

ProductId | ProductName | AvailableIn
123456 | testing | Somewhere (instead of the locid)

thanks

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Can Not Update In DataGrid - C#

Aug 29, 2006

Here is my code : string    connstring = System.Configuration.ConfigurationSettings.AppSettings["myconn"];        string selectquery =  "Select * from nhacungcap";        protected System.Web.UI.WebControls.DataGrid DataGrid1;        string insertquery = "Insert into nhacungcap(mancc,tenncc,diachi,dienthoai) values(@mancc1,@tenncc1,@diachi1,@dienthoai1)";string updatequery = "Update nhacungcap set mancc=@mancc, tenncc=@tenncc, diachi=@diachi, dienthoai=@dienthoai where (mancc=@mancc)";            myconnection.Open();            SqlCommand updatecommand = new SqlCommand(updatequery,myconnection);// sua truong mancc            updatecommand.Parameters.Add(new SqlParameter("@mancc",SqlDbType.VarChar,10));            updatecommand.Parameters["@mancc"].Value = DataGrid1.DataKeys[e.Item.ItemIndex];// sua truong tenncc            updatecommand.Parameters.Add(new SqlParameter("@tenncc",SqlDbType.NVarChar,50));            updatecommand.Parameters["@tenncc"].Value = ((TextBox) e.Item.Cells[3].Controls[0]).Text;// sua truong diachi            updatecommand.Parameters.Add(new SqlParameter("@diachi",SqlDbType.NVarChar,200));            updatecommand.Parameters["@diachi"].Value = ((TextBox) e.Item.Cells[4].Controls[0]).Text;// sua truong dienthoai            updatecommand.Parameters.Add(new SqlParameter("@dienthoai",SqlDbType.Char,10));            updatecommand.Parameters["@dienthoai"].Value = ((TextBox) e.Item.Cells[5].Controls[0]).Text;// kiem tra lenh thuc thi            int result1 = updatecommand.ExecuteNonQuery();                         myconnection.Close();// dieu kien kiem tra            if (result1 > 0 )             {                lbcheck.Text = "Cập Nhật Thành công  !";            }// hien thi du lieu                        hienthidulieu();  And my error appear, when I edit value in datagrid, I only update all value fields, without value @mancc . Hu hu hu, I don't know what i must do with it.

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Datagrid Delete

Jul 24, 2007

Hi I'm having a problem deleting rows from my datagrid. Basically I hit delete and a message box pops up and asks if Im sure I want to delete so I hit yes and then I get the following error --> Could not find stored procedure 'delete from SECTION_TBL where SECT_ID = @SECT_ID'.
 Is it my code thats wrong or is our test sql server that is the problem?1 <%@ Page Language="VB" EnableEventValidation="True" MasterPageFile="~/MasterPage.master" Title="Untitled Page" %>
2 <%@ import namespace="System" %>
3 <%@ import namespace="System.Data" %>
4 <%@ import namespace="System.Data.SqlClient" %>
5
6 <script language="VB" runat="server">
7
8 Dim section As String
9 Dim myconnection As SqlConnection
10 Dim myda As SqlDataAdapter
11 Dim ds As DataSet
12
13 Sub Page_Load(ByVal Source As Object, ByVal E As EventArgs)
14 BindData()
15 End Sub
16
17 Sub BindData()
18
19 Dim strConn As String = "server=fileserver; uid=xxx; pwd=xxx; database=NEW_CMS"
20 Dim sql As String = "Select * from SECTION_TBL"
21 myconnection = New SqlConnection(strConn)
22 myda = New SqlDataAdapter(sql, myconnection)
23 ds = New DataSet
24 myda.Fill(ds, "SECTION_TBL")
25 sectList.DataSource = ds
26 sectList.DataBind()
27
28 End Sub
29
30 Private Sub sectList_ItemDataBound(ByVal sender As Object, ByVal e As DataGridItemEventArgs) Handles sectList.ItemDataBound
31
32 Dim l As LinkButton
33
34 If e.Item.ItemType = ListItemType.Item Or e.Item.ItemType = ListItemType.AlternatingItem Then
35 l = CType(e.Item.Cells(0).FindControl("cmdDel"), LinkButton)
36 l.Attributes.Add("onclick", "return getconfirm();")
37 End If
38
39 End Sub
40
41 Sub sectList_DeleteCommand(ByVal s As Object, ByVal e As DataGridCommandEventArgs)
42
43 Dim ConnectionStr As String = ConfigurationManager.AppSettings("ConnStr")
44 Dim conn As SqlConnection
45 Dim cmd As SqlCommand
46 Dim Id As Integer
47
48 Id = CInt(e.Item.Cells(0).Text)
49 conn = New SqlConnection("server=fileserver; uid=xxx; pwd=xxx; database=NEW_CMS")
50 cmd = New SqlCommand("delete from SECTION_TBL where SECT_ID = @SECT_ID", conn)
51 cmd.CommandType = CommandType.StoredProcedure
52 cmd.Parameters.Add("@SECT_ID", SqlDbType.Int).Value = Id
53
54 cmd.Connection.Open()
55 cmd.ExecuteNonQuery()
56 cmd.Connection.Close()
57
58 DataBind()
59
60 End Sub
61
62
63
64 </script>
65
66 <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
67
68 <script language="javascript">
69
70 function getconfirm()
71 {
72 if (confirm("Do you want to delete record?")==true)
73 return true;
74 else
75 return false;
76 }
77
78 </script>
79
80 <table cellpadding="2" cellspacing="2" width="760">
81 <tr>
82 <td>Sections</td>
83 </tr>
84 <tr>
85 <td>
86
87 <asp:DataGrid OnDeleteCommand="sectList_DeleteCommand" ID="sectList" runat="server" DataKeyField="SECT_ID" AutoGenerateColumns="False">
88
89 <Columns>
90
91 <asp:BoundColumn DataField="SECT_ID" Visible="False" />
92
93 <asp:HyperLinkColumn HeaderText="SECTION NAME" DataTextField="SECT_NAME" DataNavigateUrlField="SECT_ID" DataNavigateUrlFormatString="manageSection.aspx?SECT_ID={0}" />
94
95 <asp:TemplateColumn>
96 <ItemTemplate>
97 <asp:LinkButton id="cmdDel" runat="server" Text="Delete" CommandName="Delete" CausesValidation="false" />
98 </ItemTemplate>
99 </asp:TemplateColumn>
100
101 </Columns>
102
103 </asp:DataGrid>
104
105 </td>
106 </tr>
107 <tr>
108 <td></td>
109 </tr>
110 </table>
111
112 </asp:Content> Thanks in advance.
 

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Mar 10, 2008

Hi,
 I'm trying to use VS2005 to create an ASP.NET 2.0 application.  As part of this application I need to be able to read value from a SQL2005 database.  I used the connection string builder to create the connection string, but am unable to run a simple SELECT statement.  In .NET 1.1, I was able to do this pretty easily, but am unable to even find the same namespaces in .NET 2.0.
 For example (VS2003):
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            ReDim arrHullClass(iNoRows - 1)            ReDim arrHullDesign(iNoRows - 1)
            ddlHull.Items.Clear()
            For iArrLoop = LBound(arrHullClass) To UBound(arrHullClass)                'Redefine SQL statement                sqlDBDAHulls.SelectCommand.CommandText = "SELECT Class FROM Hulls WHERE (HullId = " + Trim(Str((iArrLoop + 1))) + ")"                'Populate array                arrHullClass(iArrLoop) = sqlDBDAHulls.SelectCommand.ExecuteScalar                'Redefine SQL Statement                sqlDBDAHulls.SelectCommand.CommandText = "SELECT Design FROM Hulls WHERE (HullId = " + Trim(Str((iArrLoop + 1))) + ")"                'Populate array                arrHullDesign(iArrLoop) = sqlDBDAHulls.SelectCommand.ExecuteScalar                'Populate combobox                ddlHull.Items.Insert(iArrLoop, arrHullClass(iArrLoop) + ":" + arrHullDesign(iArrLoop))            Next iArrLoop
            'Close the database            sqlConnBC.Close()
This all works absolutely fine.
 
In VS2005 there does not appear to be the same data adapter and sql client controls and I am starting to pull my hair out.  this is what I have:
ASP:
<asp:SqlDataSource ID="connSQL" runat="server" CancelSelectOnNullParameter="False" ConnectionString="Data Source=STREETROD;Initial Catalog=DVD;Persist Security Info=True;User ID=sa;Password=xj600f" DataSourceMode="DataReader" ProviderName="System.Data.SqlClient" FilterExpression="ID" SortParameterName="ID"></asp:SqlDataSource>
VB:

'Connect to database and read values
connSQL.ConnectionString = sConnStr
connSQL.SelectCommandType = SqlDataSourceCommandType.Text
connSQL.SelectCommand = "SELECT COUNT('ID') FROM Users"
iCount = connSQL.Select()ReDim sDbUN(iCount - 1)
ReDim sDbPW(iCount - 1)For iLoop = LBound(sDbUN) To UBound(sDbUN)

connSQL.SelectCommand = "SELECT 'UN' FROM Users WHERE 'ID'='" & Str(iLoop + 1) & "'"
sDbUN(iLoop) = connSQL.Select()
connSQL.SelectCommand = "SELECT 'PW' FROM Users WHERE 'ID'='" & Str(iLoop + 1) & "'"
sDbPW(iLoop) = connSQL.Select()
Next
 and all this keeps telling me is that I have not specified any.arguements under System.Web.UI.DataSourceSelectArguments.  I have even tried entering System.Web.UI.DataSourceSelectArguments.Empty to no avail
Can someone please give me a code example that will help me understand this, or at least point me in the right direction?  Or is that I simply HAVE to use a datagrid?
Many thanks.
ProudFoots

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Mar 21, 2008

Hello,
I ran into a little problem. My problem is: i need to substract 2 variabeles from 2 different tables in the database 



TitleTimes left todayTimes left


My first excercise!15


My second excercise!19


The fields times left are a calculation... the number of times that the admin entered minus a count in the table scores.
Has anyone an idea how i can solve this?
An example excercise would be great!
Thanks in advance

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Feb 4, 2006

Hi,
As a relative newbie to SQL Server/ASP.NET I'm hoping someone here can help with my problem. I'm developing a timesheet application in ASP.NET C# using Visual Studio 2003 with a database built in MSDE. One of my forms needs to return a simple list of resources from my database. I have followed the guide on the MSDN libraries, but for some reason I continuously get the same error message.
What I've done so far is Create the database, tables, and populate with some sample data using using Server Explorer in Visual Studio. I have connected to the database (using integrated security) and I am trying to get the contents of the Resource table to appear on my form. I have then created a DataAdapter (tested the connection, set the SQL as a simple SELECT * from Resource, etc), which also generates an sqlConnection for me. To test this I have previewed the generated data, and it returns what I want, so I have chosen to generate a DataSet of this. I am then trying to get this data into a simple DataGrid. On the properties of the DataGrid I have changed the DataSource to point at my Dataset. As I understand it, I then have to add the following to my Page Load section of my code.
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The form builds fine, but when I browse to the particular form I get the following error for the sqlConnection1.Open(); line. If I remove this line the error simply moves to the line below.
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Any help with this would be greatly appreciated, as I get the same error with my code for forms-based login...
Thanks in advance..

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Mar 13, 2006

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Sep 14, 2006

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Dec 4, 2006

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Jan 19, 2004

Hello all
i am trying to update the database with the DataSet (Updated from the DataGrid) but it is giving the error as
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the code is as follows


public DataSet bindControlToGrid(DataSet dataSet)
{
SqlConnection objConn= null;
SqlCommand objComm = null;
try
{
objConn = new SqlConnection(@"User ID=sa;Password=sa;database=ExtraNet;server=EAGLESEAGLES");

SqlDataAdapter objAdapter=new SqlDataAdapter();
objAdapter.SelectCommand= new SqlCommand("SELECT sUserID,sUserName FROM tblUser WHERE dUserDeActivated IS NULL ORDER BY sUserName,nUsrSerialNo",objConn);
SqlCommandBuilder sqlCommandBuilder = new SqlCommandBuilder(objAdapter);
objConn.Open();
DataSet objdataSet= new DataSet("ko");
string d = (dataSet.Tables[0].Rows[0].ItemArray.GetValue(0).ToString());

objAdapter.Fill(objdataSet);
objAdapter.Update(dataSet);
objAdapter.Dispose();
}
catch(Exception ex)
{
string s= ex.Message;
}
finally
{
//objComm.Dispose();
objConn.Close();
}
return dataSet;
}

kindly help

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May 12, 2005

Help,
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Line 58: DataGrid1.DataBind()
Line 59:
 
WHY :)

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Nov 10, 2005

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If Not IsPostBack Then SelectStatement = "Select * From Table"ConnectString = "Provider=SQLOLEDB;UID=;PWD=;" & "Data Source=;Initial Catalog=;"
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</script><body><form runat="Server">
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Jul 20, 2005

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Apr 20, 2007

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Jan 13, 2004

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Thank you very much!

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Apr 1, 2004

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Here is the query that I am using:

Select

UserId,
Lastname + ',' + ' ' + Firstname as MembName,
Convert( datetime, Convert( int, MembExpiryDate))

FROM Users


In the datagrid, I have referenced a data element called MembExpiryDate, but with the above query, it no longer recognizes this filed.

If I use

Select

UserId,
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MembExpiryDate

It works fine, the date is bound to the grid, but the time is still included obviously.

If I use

Select

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Any ideas how to write this query to remove the damn time?

Thanks.

Dave

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Hi there :)

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I am trying to get a list of lecturers that run modules associated with a particular student. I am able to get a list of the appropriate lecturers, but some lecturers are repeated because they teach more than one module that the student is associated with.

How can I stop the repeats?

Heres my sql select code in my cs file:

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Data Model Screenshot

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Jul 21, 2005

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This is the output that i trying to do.

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-------|---------
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Please let me know if my explanation is not details enough.

Thanks

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Hi,

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Regards,
venkat.

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Jun 29, 2007

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2 {
3 String update = "UPDATE Fruit SET Product = @ID, Quantity = @Q, Price = @P, Total = @T where Product = @Id";
4
5 SqlCommand command = new SqlCommand(update, conn);
6
7 command.Parameters.Add(new SqlParameter("@ID", SqlDbType.NVarChar, 50));
8 command.Parameters.Add(new SqlParameter("@Q", SqlDbType.NVarChar, 50));
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13
14 try
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20 catch (SqlException exc)
21 {
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24
25 command.Connection.Close();
26
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3 FROM movies INNER JOIN movies_actors ON movies.movie_id = movies_actors.movie_id
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Hi,
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Karen
 
 
 

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<%@ Register TagPrefix="wmx" Namespace="Microsoft.Matrix.Framework.Web.UI" Assembly="Microsoft.Matrix.Framework, Version=0.6.0.0, Culture=neutral, PublicKeyToken=6f763c9966660626" %>
<script runat="server">

' Insert page code here
'
Function test() As System.Data.IDataReader
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Dim dbConnection As System.Data.IDbConnection = New System.Data.SqlClient.SqlConnection(connectionString)

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dbConnection.Open
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Return dataReader
End Function

</script>
<html>
<head>
</head>
<body>
<form runat="server">
<wmx:SqlDataSourceControl id="SqlDataSourceControl1" runat="server" DeleteCommand="" ConnectionString="server='(local)'; trusted_connection=true; database='Northwind'" SelectCommand="SELECT * FROM [Employees]" UpdateCommand=""></wmx:SqlDataSourceControl>
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<PagerStyle horizontalalign="Center" forecolor="#000066" backcolor="White" mode="NumericPages"></PagerStyle>
<FooterStyle forecolor="#000066" backcolor="White"></FooterStyle>
<SelectedItemStyle font-bold="True" forecolor="White" backcolor="#669999"></SelectedItemStyle>
<ItemStyle forecolor="#000066"></ItemStyle>
<HeaderStyle font-bold="True" forecolor="White" backcolor="#006699"></HeaderStyle>
</wmx:MxDataGrid>
<!-- Insert content here -->
</form>
</body>
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