//綁定全部的年級信息
DataTable dtGrade = new GradeBLL().QueryAllActiveGrade();
chblGrade.DataSource = dtGrade;
chblGrade.DataTextField = "GradeName";
chblGrade.DataValueField = "GradeID";
chblGrade.DataBind();
//獲取已經選中的年級信息
RoundGradeEntity enRoundGradeInfo = new RoundGradeEntity();
enRoundGradeInfo.ID = dtRoundBasic.Rows[0]["ID"].ToString();
//查詢
string strIndex;
DataTable dtGradeSelected = round.QueryAllGradeByRoundID(enRoundGradeInfo);
//根據從數據庫中取出的數據,勾選選項
for (int i = 0; i < chblGrade.Items.Count; i++)
{
for (int j = 0; j < dtGradeSelected.Rows.Count; j++)
{
strIndex = dtGradeSelected.Rows[j]["GradeID"].ToString().Trim();
if (chblGrade.Items[i].Value.Trim()==strIndex)
{
chblGrade.Items[i].Selected = true;
}
}
}
checklistBox默認選中多個選項
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