absolute我的目标是使用textbox（search_txt）在datagridview中搜索数据但是有错误
答案 0 :(得分：0)
双击文本框以进入其[{
"_type": "Log4K",
"_id": "285b2595c3587ee0481fb9",
"_source": {
"severity": "informational",
"facility": "Box",
"user": "KellyAnne Conway",
"object_type": "DiscoverOrg Debug Log",
"File_Size": 999.23731515620455,
"Object_Id": "87284ba49816993f38",
"__source": "API",
"object_name": 571761,
"Activity_type": "Download",
"location": "somewhere",
"created_timestamp": "2017-07-19T23:22:52",
"device": "thing",
"message": "words",
"inserted_timestamp": "2017-07-19T23:22:52",
"user_name": "KellyAnneConway",
"elastica_user": "KellyAnneConway",
"browser": "ibrows"
}
}, {
"_type": "Log4K",
"_id": "17f7a297888a20c99f061f",
"_source": {
"severity": "informational",
"facility": "Box",
"user": "KellyAnne Conway",
"object_type": "DiscoverOrg Debug Log",
"File_Size": 997.20972647644385,
"Object_Id": "13efab244409d3a384",
"__source": "API",
"object_name": 190852,
"Activity_type": "Download",
"location": "somewhere",
"created_timestamp": "2017-07-19T23:23:52",
"device": "thing",
"message": "words",
"inserted_timestamp": "2017-07-19T23:23:52",
"user_name": "KellyAnneConway",
"elastica_user": "KellyAnneConway",
"browser": "ibrows"
}
}, {
"_type": "Log4K",
"_id": "baf2b75f2c99808380111b",
"_source": {
"severity": "informational",
"facility": "Box",
"user": "KellyAnne Conway",
"object_type": "DiscoverOrg Debug Log",
"File_Size": 999.6903850242071,
"Object_Id": "94938cc74f38959add",
"__source": "API",
"object_name": 366190,
"Activity_type": "Download",
"location": "somewhere",
"created_timestamp": "2017-07-19T23:24:52",
"device": "thing",
"message": "words",
"inserted_timestamp": "2017-07-19T23:24:52",
"user_name": "KellyAnneConway",
"elastica_user": "KellyAnneConway",
"browser": "ibrows"
}
}]
事件处理程序后，输入以下内容：
.TextChanged