datagridview查询

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datagridview查询
#region 当前任务搜索.        /// <summary>        /// 当前任务搜索.        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void txt_KeywordofCurrentTask_TextChanged(object sender, EventArgs e)        {            setRowsVisible();        }        private void setRowsVisible()        {            string keyword = txt_KeywordofCurrentTask.Text;            for (int i = 0; i < dgv_CurrentTasks.RowCount; i++)            {                DataGridViewRow row = dgv_CurrentTasks.Rows[i];                setRowVisible(row, keyword);            }        }        private static void setRowVisible(DataGridViewRow row, string keyword)        {            //计算状态            bool visible = row                            .Cells                            .AsIEnumerable<DataGridViewCell>()                            .Select(cell => cell.FormattedValue != null ? cell.FormattedValue.ToString() : string.Empty)                            .Any(txt => txt.IndexOf(keyword, StringComparison.CurrentCultureIgnoreCase) != -1);            //设置可见状态            row.Visible = visible;            //如果此行“可见”，并且“选中”            if (row.Visible && row.Selected)            {                //调整当前单元格                row.DataGridView.CurrentCell = row.Cells[0];            }        }        #endregion
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