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Is it possible to have tables in the dataset that are not bound to any data source?

Posted By :Shashi Ray     Posted Date :December 08, 2009    Points :10   Category :.NET Framework 
Yes, I can create table object in code and add it to the dataset.

You can also find related Interview Question to Is it possible to have tables in the dataset that are not bound to any data source?  below: 

What is the difference between Data Reader & Dataset?

  
Data Reader is connected datasource, read only, forward only record set.

Dataset is disconnected datatsource resides in memory database that can store multiple tables, relations and constraints; (More...)

Which property on a Combo Box do you set with a column name, prior to setting the Data Source, to display data in the combo box?

  
ComboBox.DataValueField = "ColumnName"

When we use Databind method for the Combo box we set Display Member and Display Value property to column name. (More...)

Can SharePoint be linked to an external data source?

  
SharePoint data can be opened with Access and Excel as an external data source. Thus, SharePoint can be referenced as an external data source. SharePoint itself cannot reference an external datasource. (More...)

You are working with a DataSet and want to be able to display data, sorted different ways. How do you do so?

  
Select the correct answer.

1. Use the Sort method on the DataTable object.
2. Use the DataSet object's Sort method.
3. Use a DataView object for each sort.
4. Create a DataTable for each sort, using the DataTable object's Copy method, and then Sort the result


Correct Answer is :
3. Use a DataView object for each sort. (More...)

Explain the steps involved to populate dataset with data?

  
Open connection.;
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Call Fill method of the adapter passes dataset as the parameter.;
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How to fill DataSet with data?

  
To fill DataSet with data we have to use Fill() method of DataAdapter object.

Fill() has several overloads. But the simple one is
[CODE]Fill(DataSet, DataTable)[/CODE]
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Get data from 2 tables using join?

  
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Can SharePoint be linked to an external data source?

  
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What property must you set, and what method must you call in your code, in order to bind the data from some data source to the Repeater control?

  
Set the DataMember property to the name of the table to bind to. (If this property is not set, by default the first table in the dataset is used.)
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(More...)

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