救急！新手上路

Question

重写datagrid的模板列，，然后写一列dropdownlist；将你的dropdownlist与数据库中需绑定的表绑定；赋datagrid的mapping；

Answer 1

private ComboBox comTxt;
private void dgrBz_TextCellGotFocus(object sender, System.EventArgs e)
{
try
{

txtBox=(DataGridTextBox)sender;
txtBox.ReadOnly=false;
txtBox.Controls.Clear();
txtBox.DataBindings.Clear();
txtBox.DataBindings.Add("Text",dgrBz.Source,txtBox.Tag.ToString().Trim());

if(txtBox.Tag.ToString().Trim()=="是否使用")
{
InitComListTxt(txtBox,new string[]{"是","否"});
return;
}

txtBox.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D ;
txtBox.BringToFront ();
txtBox.Focus();
}
catch(Exception ex)
{
Eric.Common.YHJMessage.ErrorMsg(ex.Message+"--"+ex.Source);
}
}
private void InitComListTxt(DataGridTextBox txt,string[] Items)
{
comTxt = new System.Windows.Forms.ComboBox();
comTxt.Cursor = System.Windows.Forms.Cursors.Arrow;
comTxt.Dock = DockStyle.Fill;
comTxt.DropDownStyle = ComboBoxStyle.DropDownList;
comTxt.Items.Clear();
comTxt.Items.AddRange(Items);
txt.Controls.Add(comTxt);
txt.BorderStyle = BorderStyle.None;
comTxt.Text = txt.Text.Trim();
comTxt.BringToFront();
comTxt.Validated += new EventHandler(this.comListTxt_Validated);
comTxt.Focus();
}



private void comListTxt_Validated(object sender,EventArgs e)
{
try
{
txtBox.Text = comTxt.Text;
}
catch{}
}

Answer 2

第一步  用FindCtrols  找到datagrid 中的dropdownlist
第二步  榜定dropdownlist