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POApplying a filter to a BindingSource, but it doesn't work
 

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  1. POApplying a filter to a BindingSource, but it doesn't work
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    <p>I have a TextBox, in which I put a phrase, which is either the description of a task or the id of a task. I want to filter a list using the text from this TextBox. But when I put text into this TextBox, filtering doesn't work, and the collection in the DataGridView doesn't change. </p> <p>What can be wrong?</p> <pre><code>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); } </code></pre> <p>I added the following in BindData method and it doesn't work either:</p> <pre><code>_bindingSource.Filter = string.Format("Id LIKE '%{0}%'", "23"); </code></pre> <p>Designer:</p> <pre><code>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; </code></pre>
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    1. PO
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    1. This table or related slice is empty.
    1. PTQuestion
    1. USGrant Winney
    1. USuser278618
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
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      1. POApplying a filter to a BindingSource, but it doesn't work
      1. USuser278618
      1. VTBountyStart
    2. VO
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      1. POApplying a filter to a BindingSource, but it doesn't work
      1. This table or related slice is empty.
      1. VTUpMod
    1. This table or related slice is empty.
 

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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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