Visual Studio中DataGridView调试加载缓慢问题求助
DataGridView加载异常问题
问题现象
- 在Visual Studio 2022的Debug模式下运行应用时,Resident's Information DatagridView 加载耗时极长
- 直接运行Debug文件夹下的外部.exe文件时,DataGridView加载速度快、无延迟
已尝试的无效操作
- 清理项目/解决方案
- 重新构建项目
DataGridView填充代码
mySQLCommand.CommandText = "Select * From residents" & (IIf(txtSearchResident.Text.Trim = "" Or txtSearchResident.Text = "Type in your search", " ", " WHERE first_name LIKE @resident_name OR middle_name LIKE @resident_name OR last_name LIKE @resident_name")) & " order by first_name asc limit 30 OFFSET " & (((CInt(Me.txtPageNoResident.Text)) - 1) * 30) mySQLCommand.Parameters.AddWithValue("@resident_name", "%" & txtSearchResident.Text & "%") mySQLReader = mySQLCommand.ExecuteReader While mySQLReader.Read Dim middle, ext As String If mySQLReader!middle_name <> DBNull.Value Then middle = mySQLReader!middle_name + " " Else middle = "" End If If mySQLReader!ext_name <> DBNull.Value Then ext = mySQLReader!ext_name Else ext = "" End If datagrid.Rows.Add(New String() {(mySQLReader!first_name + " " + middle + mySQLReader!last_name + " " + ext), mySQLReader!sex, mySQLReader!is_voter, mySQLReader!contact_no}) End While
开发环境
- 语言:Visual Basic .Net
- IDE:Visual Studio 2022
- 数据库:XAMPP搭建的MySQL
内容的提问来源于stack exchange,提问作者Jayvee Jimenez
相关产品推荐
相关产品推荐

