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public partial class ucToolPanel : UserControl
{
public DataTable ColumnDataTable { get; set; }
public ucToolPanel()
{
InitializeComponent();
}
private DataTable FindDataSource(string colname)
{
DataRow[] drList = this.ColumnDataTable.Select(string.Format("id='{0}'", colname));//此处报错,ColumnDataTable为空
//....
}
}
private void frmMain_Load(object sender, EventArgs e)
{
ucToolPanel.ColumnDataTable = MegerDataTable(ds);
}