Spread for ASP.NET 8.0 Product Documentation
AutoGenerateColumns Property (DefaultSheetDataModel)
Example 


Gets or sets whether to generate the columns automatically based on the data source.
Syntax
'Declaration
 
Public Property AutoGenerateColumns As Boolean
'Usage
 
Dim instance As DefaultSheetDataModel
Dim value As Boolean
 
instance.AutoGenerateColumns = value
 
value = instance.AutoGenerateColumns
public bool AutoGenerateColumns {get; set;}

Property Value

Boolean: true, for automatic generation, false otherwise
Example
This example creates a new DefaultSheetDataModel, binds it to a database and attaches it to the DataModel of the active sheet. It does not automatically generate its columns based on the columns in the database, but does so on an individual basis.
PrivateSubPage_Load(ByVal sender As System.Object,ByVal e As System.EventArgs)Handles MyBase.Load

If(IsPostBack)ThenReturn
Dim conStr As String ="Provider=Microsoft.JET.OLEDB.4.0;datasource=d:\\nwind.mdb"
Dim sqlStr As String ="SELECT*FROMEmployees"
Dim conn As System.Data.OleDb.OleDbConnection=New System.Data.OleDb.OleDbConnection(conStr)
Dim ds As DataSet=New DataSet()
Dim da As System.Data.OleDb.OleDbDataAdapter=New System.Data.OleDb.OleDbDataAdapter(sqlStr,conn)
da.Fill(ds,"Employees")
Dim dm As New FarPoint.Web.Spread.Model.DefaultSheetDataModel()
dm.DataSource=ds
dm.AutoGenerateColumns=False
dm.SetModelDataColumn(0,2)
dm.SetModelDataColumn(1,1)
dm.DataKeyField="LastName"
FpSpread1.ActiveSheetView.DataModel=dm
conn.Close()
ListBox1.Items.Add(dm.ColumnCount)
ListBox1.Items.Add(dm.RowCount)
EndSub
private void Page_Load(object sender, System.EventArgs e)
{
string conStr="Provider=Microsoft.JET.OLEDB.4.0;datasource=d:\\nwind.mdb";
string sqlStr="SELECT*FROMEmployees";
System.Data.OleDb.OleDbConnection conn = new System.Data.OleDb.OleDbConnection(conStr);
DataSet ds = new DataSet();
System.Data.OleDb.OleDbDataAdapter da = new System.Data.OleDb.OleDbDataAdapter(sqlStr,conn);
da.Fill(ds,"Employees");
FarPoint.Web.Spread.Model.DefaultSheetDataModel dm = new FarPoint.Web.Spread.Model.DefaultSheetDataModel(ds,"Employees");
dm.DataSource=ds;
dm.AutoGenerateColumns=false;
dm.SetModelDataColumn(0,2);
dm.SetModelDataColumn(1,1);
dm.DataKeyField="LastName";
FpSpread1.ActiveSheetView.DataModel=dm;
conn.Close();
ListBox1.Items.Add(Convert.ToString(dm.ColumnCount));
ListBox1.Items.Add(Convert.ToString(dm.RowCount));
}
Requirements

Target Platforms: Windows 7, Windows 8, Windows Vista, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6

See Also

Reference

DefaultSheetDataModel Class
DefaultSheetDataModel Members

 

 


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