Visual Studio 2008 service pack 1 comes with Visual Basic Powerpack and has DataRepeatr control.
i want to know that how I can add data in this control. i have in memory data. the examples i found on net are about binding DataSet to DataRepeater by fetching data from database. i want to bind in memory data. how to do this.
by adding a new DataSet from Add New Item.
Create new DataTable in DataSet.
Add items from DataTable to DataRepeater using DataSource Explorer.
fill the data table from code.. thats the whole process i did.
Related
I have created a winform app connected to an access database as datasource ,
but now i have added a column in access database & now i have to provide the same field in winform for data entry purpose.
But now in my data source the new field is not visible even after refreshing .
any help in solving this.
The simplest way to do this is to open the dataset, right click on the relevant table adapter (MSdiesTableAdapter), choose Configure and then go through the wizard, adding the new column to the SELECT sql. When you finish the wizard the new column will appear in the datatable.
It won't have appeared in any databound grid etc - you'll also have to go to those grids and do an "Edit Columns" and "Add a New Column", choose "DataBound Column" and pick the new column. You can also, as a quick trick, remove the "DataMember" setting from the bindingsource the grid is bound to, then put it back
Microsoft never intended for DataSets and databases to be perfectly aligned; the dataset is your client side store of info and it may have more or fewer columns than the database, and have stuff it calculates itself locally, or relationships that are different to the database. This is why it needs manually adding and working through
We are trying to figure out how the ReportViewer works and are stuck at the dataset/datasource part. We have a sql-query that connects with 3 different Servers. Is there a simple way to connect a rdlc report to such a dataset in a winform Project that will be shown in Report Viewer?
You have to add a ReportDataSource object to the LocalReport.DataSources Property. The constructor take two parameters.
First the name of the dataset (as it is defined in the rdlc repport), second a datasource object which could be any .Net Collection (ADO.Net DataSet or a simple List of object).
The mapping to the field declared is done in the same way than DataBinding. Just have the same name for the column of the ADO.Net DataSet or the property of the object in the list than the field in the report.
Take a look at
https://msdn.microsoft.com/en-us/library/microsoft.reporting.winforms.localreport.aspx
I'm new to Visual Studio - migrating from Microsoft Access and Dynamics AX where updates to physical tables happen pretty much automatically for a simple data grid.
In my Visual Studio VB form project I have a datagrid component bound to a tableadapter. I can double-click a cell and edit the contents, then move to another row. But my changes are not being committed to the dataset's table.
Even though the tableadapter has an update method, apparently it is not called automatically. Do I have to call the tableadaptor's update method to save the user's data changes in the grid?
If so, how do I detect when datagrid cells values have been changed? Or do I simply call update every time the user leaves a row and let the update query run even with no changes?
In a WinForms application that uses a dataset from a data source created using the Data Source Configuration Wizard and connected to an Access database. How can I refresh the dataset at run time to reflect changes (data changes only, no structural changes) to the database occurred outside without closing and reopening my application?
Thank you ahead of time for your help.
Call the .fill command on the tableadapter that the wizard should have created.
By default the code is placed in the load event of the form that you added the tableadapter and dataset to, so either copy paste or creat a new sub and call that.
Edit:
There is a clearBeforeFill property of any tableadapter listed under the TableadapterManager in the Form designer if you added it via the designer, if not then you'll have to set it in your code behind.
in the code behind there are several events that can occur on your binding source, I would suggest putting the needed code on the currentItemChanged event in order to commit changes in real time.
I have to do some maintenance on an old VB.NET application (Visual Studio 2003) that uses Infragistics NetAdvantage 2006. I have a UltraCombo control binded to a DataView.
How can I refresh the content displayed after a change in the database?
It sounds like you'll need to repopulate the DataView from the database and refresh your databinding on the UltraCombo; probably pretty close to the same code you use to initially populate the DataView and set the UltraCombo databinding.
You may get a more complete answer if you post some code.