3
我有一个使用switch语句通过双击事件过滤的datagridview。数据源最初是通过基于用户输入的LINQ to SQL查询设置的,然后他们可以选择双击单元格以筛选类似项目,例如模型,计算机名称或操作系统。有没有更好的方法来过滤这个datagridview?
这里似乎有太多重复的代码。有没有更好的方法来做到这一点?
private void gridInventory_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
try
{
if (e.ColumnIndex > 0 && e.RowIndex > 0)
{
var cell = this.gridInventory[e.ColumnIndex, e.RowIndex];
var clickedValue = (cell.Value != null) ? cell.Value.ToString() : string.Empty;
if (!string.IsNullOrEmpty(clickedValue))
{
switch (this.gridInventory.Columns[e.ColumnIndex].Name.ToUpper())
{
case @"MODEL":
CurrentList = CurrentList.Where(r => r.Model != null && r.Model.ToUpper() == clickedValue.ToUpper()).ToList();
break;
case @"COMPUTERNAME":
CurrentList = CurrentList.Where(r => r.ComputerName != null && r.ComputerName.ToUpper() == clickedValue.ToUpper()).ToList();
break;
case @"SERIALNUMBER":
CurrentList = CurrentList.Where(r => r.SerialNumber != null && r.SerialNumber.ToUpper() == clickedValue.ToUpper()).ToList();
break;
case @"COMPUTERID":
CurrentList = CurrentList.Where(r => r.ComputerID.ToString().ToUpper() == clickedValue.ToUpper()).ToList();
break;
case @"MANUFACTURER":
CurrentList = CurrentList.Where(r => r.Manufacturer != null && r.Manufacturer.ToUpper() == clickedValue.ToUpper()).ToList();
break;
case @"OSVERSION":
CurrentList = CurrentList.Where(r => r.OSVersion != null && r.OSVersion.ToUpper() == clickedValue.ToUpper()).ToList();
break;
case @"AUDITDATE":
CurrentList = CurrentList.Where(r => r.AuditDate != null && r.AuditDate.ToString().ToUpper() == clickedValue.ToUpper()).ToList();
break;
case @"AUDITGUID":
CurrentList = CurrentList.Where(r => r.AuditGUID != null && r.AuditGUID.ToString().ToUpper() == clickedValue.ToUpper()).ToList();
break;
default:
break;
}
if (this.CurrentList != null)
{
gridInventory.DataSource = this.CurrentList;
this.lblRecords.Text = string.Format(@"Total Records: {0}", CurrentList.Count(c => c.ComputerID > 0));
}
}
}
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, @"error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
谢谢!这很好。我喜欢这个代码提供的灵活性,因为我们将来最喜欢添加列。至于案例问题,属性名称和列名都来自同一个数据源,所以不应该是一个问题。再次感谢你。 – bzsparks