Update To HandHeld Compact SQL DB
May 23, 2011Is there any sample code for me to investigate of below situation?
VB.Net has the dataset which will update the tables of Compact SQL DB in the handheld??
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SQL Compact Edition Don't Update
Oct 17, 2011I'm development an application in vb 6.0 with SQLCE but when I try to make an update in a table I recive an error 3251 or -2147217887 (80040e21) [code]...
View 1 RepliesRunning On A Panasonic H1 Handheld Device?
Oct 14, 2009I have an application that I am running on a Panasonic H1 handheld device, that is used at remote locations. I have a database on this device (SQL Server 2005) to help with the data entry process. Because the H1 can be slow (only 2GB ram), when this application starts, I load the data into a global data set. As this data is loading I display a progress bar letting the user know what's going on. This works quite well.
On my main form, the user has the ability to enter data into a text box, and press a button that will open up another form. The data that was entered into the first form's text box will be displayed in the second form's text box with a datagridview below showing results that matched what was typed in. Also, the user does not have to enter any data in the first form's text box, just hit the search button, and all records of the table will be displayed in the second form's datagridview. Then as they start entering data in the second form's text box, any data in the table matching what is entered is displayed.
This is how I am binding the data in the second form's datagridview :
objBS = New BindingSource
objBS.DataSource = g_objDS.Tables("nsi")
dgvSampleID.DataSource = objBS
Now, in the search form, let's say I type '27190' into the text box, only 3 records exist in the SQL Server table therefore only these 3 records will be displayed in my datagridview :
27190-001
27190-002
27190-003
The code to perform this 'auto complete' is in the TextChanged for the text field :objBS.Filter = "sample_id like '" + Me.txtSampleID.Text + "%'"Now, when a I double-click one of the rows, the form closes and the first form then has several fields filled in based on the row selected. When I clear out the text box in the first form, then press the search button, I am expecting to see the entire database in the second form's datagridview. However, what I am seeing is the 3 rows from above.
When I run the app in debug mode, I verify that the 'g_objDS.Tables("nsi")' does in fact have all the records in the table I want to search. Yet when I assign the objBS.datasource = g_objDS.Tables("nsi"), objBS.count = 3, representing the 3 records from above. My question is why am I not seeing the entire database.
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Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.AddressTableAdapter1.Fill(Me.TestsqlcDataSet1.address)
End Sub
[code]....
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I have selected the correct driver SQL Compact 3.5
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Private Sub CompactDB()
Dim jro As JRO.JetEngine
jro = New JRO.JetEngine()
jro.CompactDatabase("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=<DATAPATH>", _
"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=<DATAPATH>;")
MsgBox("Finished Compacting Database!")
End Sub
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Dim conn As New MySql.Data.MySqlClient.MySqlConnection
Dim myConnectionString as String
[CODE]....
My machine has erros with "MySql.Data.MySqlClient.MySqlException" and "MySql.Data.MySqlClient.MySqlConnection"
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[Code]...
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FROM Table1
INNER JOIN Table2
ON Table1.ID = Table2.T1ID
[code].....
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[Code]...
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I'm using this:
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[code].....
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Dim row As DataRow = Me.CCLogDataSet.tblLog.NewRow()
row("cc_log_contract") = Me.txt_Log_Add_Contract.Text
row("cc_log_registration") = Me.mtb_Log_Add_Registration.Text.ToUpper()
row("cc_log_milage") = Me.txt_Log_Add_Milage.Text
[Code] .....
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