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Posted By

derebus on 07/01/10


Tagged

datatable vacio


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Crear datatable vacio

 / Published in: VB.NET
 

Funcion que crea un datatable vacio. Util para llenar un gridview. Ej. grvConvenio.DataSource = creaDtVacio(dtMiTabla, 3) Significa que el gridview sera llenado con la estructura del datatable "dtMiTabla" con 3 filas vacias asignadas

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  1. Protected Function creaDtVacio(ByVal dt As DataTable, ByVal tam As Integer) As DataTable Implements IGestionEmpresa.creaDtVacio
  2.         Try
  3.             Dim dtvacio As New DataTable
  4.             For j As Integer = 0 To dt.Columns.Count - 1
  5.                 dtvacio.Columns.Add(dt.Columns(j).ColumnName)
  6.             Next
  7.  
  8.             For i As Integer = 0 To tam
  9.                 Dim dr As DataRow
  10.                 dr = dtvacio.NewRow
  11.                 dtvacio.Rows.Add(dr)
  12.             Next
  13.  
  14.             Return dtvacio
  15.         Catch ex As Exception
  16.             Throw ex
  17.         End Try
  18.     End Function

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