How do you add your queried datatable results into a new datatable

  • 1 year ago
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To add queried DataTable results into a new DataTable, you can follow these steps:

  1. Create a New DataTable: Declare and instantiate a new DataTable object that will hold the queried results.
csharp
DataTable newDataTable = new DataTable();
  1. Define Column Structure: Define the columns in the new DataTable to match the structure of the queried DataTable.
csharp
foreach (DataColumn column in queriedDataTable.Columns)
{
newDataTable.Columns.Add(column.ColumnName, column.DataType);
}

This loop iterates over the columns of the queried DataTable and adds corresponding columns to the new DataTable, including column name and data type.

  1. Add Rows: Iterate over the queried DataTable rows and add them to the new DataTable.
csharp
foreach (DataRow row in queriedDataTable.Rows)
{
newDataTable.Rows.Add(row.ItemArray);
}

This loop iterates over the rows of the queried DataTable and uses the ItemArray property to get the values of each row. It then adds those values as a new row to the new DataTable.

After these steps, the new DataTable will contain the queried results from the original DataTable.

Note that this approach assumes that the queried DataTable structure matches the new DataTable structure, including column names and data types. If there are differences, you may need to handle them accordingly, such as mapping columns or converting data types.

Here's an example summarizing the steps:

csharp
DataTable newDataTable = new DataTable();

foreach (DataColumn column in queriedDataTable.Columns)
{
newDataTable.Columns.Add(column.ColumnName, column.DataType);
}

foreach (DataRow row in queriedDataTable.Rows)
{
newDataTable.Rows.Add(row.ItemArray);
}

Adjust the code as per your specific requirements and ensure that you have the necessary references and namespaces imported.