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How to fill DataSet with data?

Posted By :Abhisek Panda     Posted Date :January 28, 2010    Points :10   Category :ADO.Net 
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]
The first parameter will take the name of the dataset to be filled and the second parameter specifies the name of the DataTable in the DataSet which will contain the data.

You can also find related Interview Question to How to fill DataSet with data?  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...)

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.;
Initialize Adapter passing SQL and connection as parameter.;
Initialize Dataset.;
Call Fill method of the adapter passes dataset as the parameter.;
Close connection.; (More...)

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

  
Yes, I can create table object in code and add it to the dataset. (More...)

How will you fill a dropdown from another dataset and grid from another dataset.

  
First fill the grid with dataset and then datagrid.columns.findcontrol["dropdown"] find dropdown and add another dataset to it. (More...)

How can you clear a Data from all the table in the dataset?

  
using Dataset.Clear() method you can clear all the data from DataSet (More...)

What are the steps involved to fill a dataset?

  
Dataset dsIndia=new Dataset();
DataAdapter daIndia=new DataAdapter ();
daIndia.Fill(dsIndia); (More...)

What is typed dataset in C#?

  
A typed dataset is similar to a dataset with only difference is that the sehema is already present in typed dataset. so if any mismatch in the column will generate compile time errors rather than runtime error as in the case of normal dataset. Also accessing the column value is much easier than the normal dataset as the column definition will be available in the schema. (More...)

What happens when we issue Dataset.ReadXml command?

  
Reads XML schema and data into the DataSet. (More...)

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