datagridview

问题 In my Winform 4.5 app, I have a DataGridView with first column as a link column. I would like to have the link color of the selected link cell to be white. Since by default the background color of a selected row (or a cell) is blue and the ForeColor of all the links are also blue, when user selects a row (or a link cell) the text of the link is not readable. I tried writing the following code but it does not change the link color of selected link cell at all. private void dataGridView1

问题 Is there a way to programmatically select a specific portion of the text of a DataGridView cell whenever a user enters it? For example, if a user enters a cell and types hello world in it and then re-enters the same cell, the substring world will be automatically selected, (i.e. without user action). Like this: 回答1: A possible solution, using the EditingControlShowing event. The e.Control member of the DataGridViewEditingControlShowingEventArgs, references the Edit Control of the current cell

问题 I have a datable "myTable", which is bind with a DataGridView "dgv". The DataGridView "dgv" has a checkbox column. My goal is to delete rows checked in a button event. The datatable is updated of course. Now my code is only working for deleting one row not for multiple rows. Thanks for help. private void btnDel_Click(object sender, EventArgs e) { try { if (dgv.RowCount>0) { foreach (DataGridViewRow row in dgv.Rows) { DataGridViewCheckBoxCell check = row.Cells[0] as DataGridViewCheckBoxCell;

问题 I have a datable "myTable", which is bind with a DataGridView "dgv". The DataGridView "dgv" has a checkbox column. My goal is to delete rows checked in a button event. The datatable is updated of course. Now my code is only working for deleting one row not for multiple rows. Thanks for help. private void btnDel_Click(object sender, EventArgs e) { try { if (dgv.RowCount>0) { foreach (DataGridViewRow row in dgv.Rows) { DataGridViewCheckBoxCell check = row.Cells[0] as DataGridViewCheckBoxCell;

问题 I am trying to hide default datagridview error dialog. I put in the code this event handler: this.dataGridView2.DataError += new System.Windows.Forms.DataGridViewDataErrorEventHandler(dataGridView2_DataError); private void dataGridView2_DataError(object sender, DataGridViewDataErrorEventArgs e) { //empty so it doesn't show anything } But still when i try this and leave datagridview cell empty ( delete everything from it), it show me dialog box with error. Screenshot of error: 回答1: Try to

问题 I have a winform with preloaded DataGridView over it...I want to remove rows from datagridview on selecting or highlighting the rows and clicking over the button... Also want to clear all the columns.... Currently i used foreach (DataGridViewRow dgvr in dataGridView2.Rows) { if (dgvr.Selected == true) { dataGridView2.Rows.Remove(dgvr); } } but it is throwing an exception that "rows or not commited" or something....it would be appreciable if any one have any better suggestions.... 回答1: If you

问题 I have a winform with preloaded DataGridView over it...I want to remove rows from datagridview on selecting or highlighting the rows and clicking over the button... Also want to clear all the columns.... Currently i used foreach (DataGridViewRow dgvr in dataGridView2.Rows) { if (dgvr.Selected == true) { dataGridView2.Rows.Remove(dgvr); } } but it is throwing an exception that "rows or not commited" or something....it would be appreciable if any one have any better suggestions.... 回答1: If you

问题 I have a winform with preloaded DataGridView over it...I want to remove rows from datagridview on selecting or highlighting the rows and clicking over the button... Also want to clear all the columns.... Currently i used foreach (DataGridViewRow dgvr in dataGridView2.Rows) { if (dgvr.Selected == true) { dataGridView2.Rows.Remove(dgvr); } } but it is throwing an exception that "rows or not commited" or something....it would be appreciable if any one have any better suggestions.... 回答1: If you

问题 I recently migrated a Project from .NET 4 to .NET 4.7.2 which introduced a change in the WinForms DataGridView Headers. Pre Migration looks like this: As you can see, the Header of the cell i currently clicked is not selected. After the Migration the same DataGridView looks like this: I could not find any Information mentioning changes in the WinForms DataGridView at the Release Notes I tried to set the Color using the following code from here how to change the color of winform DataGridview

问题 Hard to post code, but easy to describe how to repro: Create a new Winforms project (I used VS 2017 and .NET 4.7) Add a DataSet to the project. Within the DataSet, add a DataTable (no adapter). Within the DataTable, add a single column. It will default to varchar, but change it to NOT allow nulls. Add a Form to the project. Add a DataGridView to the form. Set the DataSource for the DGV to the DataTable in the DataSet. Run the program. Click in the single column of the single row. Type some