求解！走的大我看一下
DataTable dataTable = new DataTable();
DataColumn column;

column = new DataColumn();
column.ColumnName = "CMCode ";
dataTable.Columns.Add(column);

column = new DataColumn();
column.ColumnName = "CMName ";
dataTable.Columns.Add(column);

column = new DataColumn();
column.ColumnName = "UniteName ";
dataTable.Columns.Add(column);

column = new DataColumn();
column.ColumnName = "RqQty ";
dataTable.Columns.Add(column);

DataRow row = dataTable.NewRow();
row[ "CMCode "] = "001 ";
row["CMName "] = "test ";
row[ "UniteName "] = "test ";
dataTable.Rows.Add(row);

[解决办法]

探讨

那columnname哪填的是我gridview面的列的headertext么

[解决办法]
准备画一个表格，先画
列1 列2 列3
再给列添加值{1, 2, 3}

列1 列2 列3
1 2 3

如果还有值{4, 5, 6}

列1 列2 列3
1 2 3
4 5 6


{数据库列1的值,数据库列2的值,数据库列3的值}
[解决办法]

探讨

ｃｏｌｕｍｎ．ｃｏｌｕｍｎｎａｍｅ後面的“ｃｍｃｏｄｅ”就是ｇｒｉｄｖｉｅｗ表面的列名么？