我有一个文本框,我在其中放置了一个短语,它可以是任务的描述,也可以是任务的 ID。我想使用此 TextBox 中的文本过滤列表。但是当我将文本放入这个TextBox时,过滤不起作用,并且DataGridView中的集合没有改变。
有什么问题?
public void BindData()
{
var emptyBindingSource = new BindingSource();
dataGridViewTaskList.AutoGenerateColumns = false;
dataGridViewTaskList.DataSource = emptyBindingSource;
var taskList = GetTasks();
_bindingSource = new BindingSource();
_bindingSource.DataSource=taskList.Response;
dataGridViewTaskList.AutoGenerateColumns = false;
dataGridViewTaskList.DataSource = _bindingSource.DataSource;
if (dataGridViewTaskList.Columns["gridViewColumnId"] == null)
dataGridViewTaskList.Columns.Add(new DataGridViewColumn() {Name = "gridViewColumnId"});
else
dataGridViewTaskList.Columns["gridViewColumnId"].DataPropertyName = "Id";
if (dataGridViewTaskList.Columns["gridViewColumnDescription"] == null)
dataGridViewTaskList.Columns.Add(new DataGridViewColumn() {Name = "gridViewColumnDescription"});
else
dataGridViewTaskList.Columns["gridViewColumnDescription"].DataPropertyName = "Description";
}
private void tbSearchedPhraseOrId_TextChanged(object sender, EventArgs e)
{
_bindingSource.Filter = string.Format("Id = '{0}'", tbSearchedPhraseOrId.Text);
}
我在 BindData 方法中添加了以下内容,但它也不起作用:
_bindingSource.Filter = string.Format("Id LIKE '%{0}%'", "23");
设计师:
this.dataGridViewTaskList.AllowUserToAddRows = false;
this.dataGridViewTaskList.AllowUserToDeleteRows = false;
this.dataGridViewTaskList.AllowUserToOrderColumns = true;
this.dataGridViewTaskList.AllowUserToResizeRows = false;
this.dataGridViewTaskList.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.dataGridViewTaskList.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
this.dataGridViewTaskList.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.dataGridViewTaskList.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
this.dataGridViewTaskList.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
this.gridViewColumnId,
this.gridViewColumnDescription});
this.dataGridViewTaskList.Location = new System.Drawing.Point(6, 62);
this.dataGridViewTaskList.MultiSelect = false;
this.dataGridViewTaskList.Name = "dataGridViewTaskList";
this.dataGridViewTaskList.ReadOnly = true;
this.dataGridViewTaskList.RowHeadersVisible = false;
this.dataGridViewTaskList.SelectionMode = System.Windows.Forms.DataGridViewSelectionMode.FullRowSelect;
this.dataGridViewTaskList.Size = new System.Drawing.Size(414, 488);
this.dataGridViewTaskList.TabIndex = 0;