DataGridViewRow Class

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Important

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Represents a row in a DataGridView control.

public ref class DataGridViewRow : System::Windows::Forms::DataGridViewBand

[System.ComponentModel.TypeConverter(typeof(System.Windows.Forms.DataGridViewRowConverter))]
public class DataGridViewRow : System.Windows.Forms.DataGridViewBand

[<System.ComponentModel.TypeConverter(typeof(System.Windows.Forms.DataGridViewRowConverter))>]
type DataGridViewRow = class
    inherit DataGridViewBand

Public Class DataGridViewRow
Inherits DataGridViewBand

Inheritance: Object

DataGridViewElement

DataGridViewBand
DataGridViewRow

Attributes: TypeConverterAttribute

Examples

The following code example illustrates the use of this type. This example is part of a larger example available in How to: Manipulate Rows in the Windows Forms DataGridView Control.

// Set row labels.
void Button6_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
{

   int rowNumber = 1;
   System::Collections::IEnumerator^ myEnum = safe_cast<System::Collections::IEnumerable^>(dataGridView->Rows)->GetEnumerator();
   while ( myEnum->MoveNext() )
   {
      DataGridViewRow^ row = safe_cast<DataGridViewRow^>(myEnum->Current);
      if ( row->IsNewRow )
               continue;
      row->HeaderCell->Value = String::Format( L"Row {0}", rowNumber );

      rowNumber = rowNumber + 1;
   }

   dataGridView->AutoResizeRowHeadersWidth( DataGridViewRowHeadersWidthSizeMode::AutoSizeToAllHeaders );
}

// Set row labels.
private void Button6_Click(object sender, System.EventArgs e)
{

    int rowNumber = 1;
    foreach (DataGridViewRow row in dataGridView.Rows)
    {
        if (row.IsNewRow) continue;
        row.HeaderCell.Value = "Row " + rowNumber;
        rowNumber = rowNumber + 1;
    }
    dataGridView.AutoResizeRowHeadersWidth(
        DataGridViewRowHeadersWidthSizeMode.AutoSizeToAllHeaders);
}

' Set row labels.
Private Sub Button6_Click(ByVal sender As Object, _
    ByVal e As System.EventArgs) Handles Button6.Click

    Dim rowNumber As Integer = 1
    For Each row As DataGridViewRow In dataGridView.Rows
        If row.IsNewRow Then Continue For
        row.HeaderCell.Value = "Row " & rowNumber
        rowNumber = rowNumber + 1
    Next
    dataGridView.AutoResizeRowHeadersWidth( _
        DataGridViewRowHeadersWidthSizeMode.AutoSizeToAllHeaders)
End Sub

Remarks

The DataGridViewRow class represents a row in a DataGridView control. You can retrieve rows through the Rows and SelectedRows collections of the control.

Unlike a DataGridViewColumn, a DataGridViewRow physically contains a collection of all of the cells in that row. You can access this collection through the Cells property.

The DataGridViewRow class is used to access the individual cell elements, as well as to adjust the appearance and behavior of the row user interface (UI), such as height and cell style. Typically, you will want all rows or most rows in the control to share the same characteristics. To set cell styles for all rows in the control, set the properties of the object returned by the DataGridView.RowsDefaultCellStyle property. To set styles for alternating rows, use the DataGridView.AlternatingRowsDefaultCellStyle property. For more information about cell styles, see Cell Styles in the Windows Forms DataGridView Control. You can also use the DataGridView.RowTemplate property to define a row that will be used as a basis for all rows added to the control.

The DataGridView control will share DataGridViewRow objects across multiple data rows whenever possible to avoid performance penalties. Unless you are working with large amounts of data and experiencing performance issues, you can typically ignore row sharing. A shared row is indicated by an Index property value of -1. Some members of the DataGridViewRow class cannot be used with shared rows, but you can unshare a row by accessing it through the DataGridViewRowCollection.Item[] property. Rows can also become unshared in other ways. To access a row without unsharing it, use the DataGridViewRowCollection.SharedRow method. When working with large amounts of data, you should be aware of how rows are shared and unshared to avoid performance penalties. For more information, see Best Practices for Scaling the Windows Forms DataGridView Control.

Notes to Inheritors

When you derive from DataGridViewRow and add new properties to the derived class, be sure to override the Clone() method to copy the new properties during cloning operations. You should also call the base class's Clone() method so that the properties of the base class are copied to the new cell.

Constructors

DataGridViewRow()

Initializes a new instance of the DataGridViewRow class without using a template.

Properties

AccessibilityObject	Gets the DataGridViewRow.DataGridViewRowAccessibleObject assigned to the DataGridViewRow.
Cells	Gets the collection of cells that populate the row.
ContextMenuStrip	Gets or sets the shortcut menu for the row.
DataBoundItem	Gets the data-bound object that populated the row.
DataGridView	Gets the DataGridView control associated with this element. (Inherited from DataGridViewElement)
DefaultCellStyle	Gets or sets the default styles for the row, which are used to render cells in the row unless the styles are overridden.
DefaultHeaderCellType	Gets or sets the run-time type of the default header cell. (Inherited from DataGridViewBand)
Displayed	Gets a value indicating whether this row is displayed on the screen.
DividerHeight	Gets or sets the height, in pixels, of the row divider.
ErrorText	Gets or sets the error message text for row-level errors.
Frozen	Gets or sets a value indicating whether the row is frozen.
HasDefaultCellStyle	Gets a value indicating whether the DefaultCellStyle property has been set. (Inherited from DataGridViewBand)
HeaderCell	Gets or sets the row's header cell.
HeaderCellCore	Gets or sets the header cell of the DataGridViewBand. (Inherited from DataGridViewBand)
Height	Gets or sets the current height of the row.
Index	Gets the relative position of the band within the DataGridView control. (Inherited from DataGridViewBand)
InheritedStyle	Gets the cell style in effect for the row.
IsNewRow	Gets a value indicating whether the row is the row for new records.
IsRow	Gets a value indicating whether the band represents a row. (Inherited from DataGridViewBand)
MinimumHeight	Gets or sets the minimum height of the row.
ReadOnly	Gets or sets a value indicating whether the row is read-only.
Resizable	Gets or sets a value indicating whether users can resize the row or indicating that the behavior is inherited from the AllowUserToResizeRows property.
Selected	Gets or sets a value indicating whether the row is selected.
State	Gets the current state of the row.
Tag	Gets or sets the object that contains data to associate with the band. (Inherited from DataGridViewBand)
Visible	Gets or sets a value indicating whether the row is visible.

Methods

AdjustRowHeaderBorderStyle(DataGridViewAdvancedBorderStyle, DataGridViewAdvancedBorderStyle, Boolean, Boolean, Boolean, Boolean)	Modifies an input row header border style according to the specified criteria.
Clone()	Creates an exact copy of this row.
CreateAccessibilityInstance()	Creates a new accessible object for the DataGridViewRow.
CreateCells(DataGridView, Object[])	Clears the existing cells and sets their template and values.
CreateCells(DataGridView)	Clears the existing cells and sets their template according to the supplied DataGridView template.
CreateCellsInstance()	Constructs a new collection of cells based on this row.
Dispose()	Releases all resources used by the DataGridViewBand. (Inherited from DataGridViewBand)
Dispose(Boolean)	Releases the unmanaged resources used by the DataGridViewBand and optionally releases the managed resources. (Inherited from DataGridViewBand)
DrawFocus(Graphics, Rectangle, Rectangle, Int32, DataGridViewElementStates, DataGridViewCellStyle, Boolean)	Draws a focus rectangle around the specified bounds.
Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetContextMenuStrip(Int32)	Gets the shortcut menu for the row.
GetErrorText(Int32)	Gets the error text for the row at the specified index.
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetPreferredHeight(Int32, DataGridViewAutoSizeRowMode, Boolean)	Calculates the ideal height of the specified row based on the specified criteria.
GetState(Int32)	Returns a value indicating the current state of the row.
GetType()	Gets the Type of the current instance. (Inherited from Object)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
OnDataGridViewChanged()	Called when the band is associated with a different DataGridView. (Inherited from DataGridViewBand)
Paint(Graphics, Rectangle, Rectangle, Int32, DataGridViewElementStates, Boolean, Boolean)	Paints the current row.
PaintCells(Graphics, Rectangle, Rectangle, Int32, DataGridViewElementStates, Boolean, Boolean, DataGridViewPaintParts)	Paints the cells in the current row.
PaintHeader(Graphics, Rectangle, Rectangle, Int32, DataGridViewElementStates, Boolean, Boolean, DataGridViewPaintParts)	Paints the header cell of the current row.
RaiseCellClick(DataGridViewCellEventArgs)	Raises the CellClick event. (Inherited from DataGridViewElement)
RaiseCellContentClick(DataGridViewCellEventArgs)	Raises the CellContentClick event. (Inherited from DataGridViewElement)
RaiseCellContentDoubleClick(DataGridViewCellEventArgs)	Raises the CellContentDoubleClick event. (Inherited from DataGridViewElement)
RaiseCellValueChanged(DataGridViewCellEventArgs)	Raises the CellValueChanged event. (Inherited from DataGridViewElement)
RaiseDataError(DataGridViewDataErrorEventArgs)	Raises the DataError event. (Inherited from DataGridViewElement)
RaiseMouseWheel(MouseEventArgs)	Raises the MouseWheel event. (Inherited from DataGridViewElement)
SetValues(Object[])	Sets the values of the row's cells.
ToString()	Gets a human-readable string that describes the row.

Applies to

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